Indulge in the ultimate **springtime dessert** with our irresistibly soft and moist **Vanilla Sheet Cake**, generously crowned with a vibrant, homemade **Fresh Strawberry Buttercream**. This delightful combination offers a burst of sweet, natural strawberry flavor perfectly complementing the classic richness of vanilla, all wrapped in a charming pink hue that’s simply perfect for any occasion. Whether it’s a birthday celebration, a baby shower, a bridal brunch, or a casual summer potluck, this **vanilla cake with fresh strawberry frosting** is guaranteed to impress with its elegant appearance and exquisite taste.

As the days grow longer and the air turns warmer, there’s a certain magic that sweeps into the kitchen with the arrival of fresh, seasonal produce. For me, spring’s embrace brings an exciting rejuvenation, particularly with the bounty of ripe, juicy berries. The sight of bright red strawberries returning to grocery aisles instantly sparks joy and ignites a desire to bake something truly special.
That’s precisely how this classic **vanilla cake recipe**, adorned with luscious fresh strawberry frosting, came to be. It’s a celebration of simplicity, elevated by the pure, unadulterated flavor of nature’s candy. This isn’t just any vanilla cake; it’s a canvas for the vibrant notes of strawberry, promising a dessert experience that is both comforting and exhilarating.
The foundation of this masterpiece is a straightforward yet incredibly delicious **simple vanilla sheet cake**, baked in a convenient 9×13 inch pan. Its texture is a dream – wonderfully fluffy and moist, with a tender crumb that melts in your mouth. Each bite delivers a rich, buttery vanilla flavor, making it a standalone treat. However, what truly transforms this into an extraordinary creation is the **strawberry buttercream** – a decadent frosting crafted from real, **fresh berries**.
Unlike frostings that rely on artificial flavors, our **homemade strawberry frosting** boasts an authentic, bright strawberry taste. It’s light, airy, and creamy, offering a subtle sweetness that perfectly complements the vanilla cake without ever overwhelming it. The natural sweetness and delicate tartness of the strawberries create a harmonious balance, making each spoonful a pure delight. Plus, the stunning pink hue it imparts makes this cake a visual feast, embodying the joy and freshness of the season.

Crafting the Perfect Vanilla Cake Base
Achieving a truly outstanding vanilla cake begins with understanding the role of each ingredient. Our recipe uses cake flour, which has a lower protein content than all-purpose flour, resulting in a much softer, more tender crumb. Sifting it further ensures a light and airy texture, preventing any dense spots. The combination of baking powder and baking soda provides the perfect lift, creating that desirable fluffy consistency.
Unsalted butter, softened to room temperature, is crucial for creaming with sugar, which incorporates air and contributes to the cake’s light structure and rich flavor. Using both whole eggs and egg whites adds richness while maintaining a delicate, bright color. Room temperature eggs also emulsify better with the butter and sugar, leading to a smoother, more uniform batter.
Finally, the addition of sour cream and milk introduces a touch of tang and a significant boost in moisture, ensuring the cake remains incredibly moist and tender for days. These liquid components, also at room temperature, integrate seamlessly, preventing the batter from curdling and promoting even baking.
Essential Ingredients for Your Delicious Creation
To embark on this delightful baking journey and create this exquisite **vanilla cake with fresh strawberry frosting**, gather the following high-quality ingredients. The precise measurements for each can be found in the comprehensive recipe card towards the end of this post.
For the Fluffy Vanilla Cake
- Dry Ingredients: You’ll need Cake Flour (ensure it’s sifted and not self-rising for optimal texture), Baking Powder, Baking Soda, and fine Salt to balance the sweetness.
- Wet Ingredients: Gather Unsalted Butter (softened to room temperature), Granulated Sugar, large whole Eggs, additional Egg Whites (yolks discarded), premium Vanilla Extract for that classic aroma, full-fat Sour Cream, and fresh Milk (all at room temperature for best results).
For the Luscious Strawberry Frosting
- You’ll need an abundance of ripe, **Fresh Strawberries** for their natural flavor and vibrant color.
- More Unsalted Butter, softened.
- Plenty of Powdered Sugar (also known as confectioners’ sugar), sifted to ensure a smooth, lump-free frosting.
- A touch of Vanilla Extract to enhance the berry notes.
- A pinch of Salt to balance the sweetness.
- And a splash of Whipping Cream, used as needed to achieve your desired consistency.

Crafting the Irresistible Homemade Strawberry Buttercream Frosting
While making **strawberry frosting** with fresh berries requires a few extra steps compared to a basic vanilla buttercream, the payoff in authentic flavor and beautiful color is absolutely worth every bit of effort. The process ensures a concentrated, natural strawberry essence that truly sets this frosting apart. Here’s a detailed guide to achieve perfect results, with full instructions and ingredient quantities detailed in the recipe card.
- Prepare the Strawberry Puree: Begin by washing and coring your fresh strawberries, removing any white centers. Then, process them in a blender or food processor until you achieve a smooth puree.
- Strain for Smoothness: Next, the puree is pushed through a fine-mesh sieve. This crucial step removes all the tiny seeds, ensuring your buttercream is silky-smooth without any gritty texture. You’ll likely need to use a spatula or the back of a spoon to press the mixture through effectively. This process should yield about 1 ¼ to 1 ½ cups of seedless strawberry puree.
- Reduce for Intense Flavor and Consistency: Transfer the strawberry puree to a saucepan and bring it to a gentle boil over low-medium heat. This is where the magic happens! As you gently stir, the mixture will boil down, reducing its liquid content significantly. It’s essential to allow the puree to reduce to about 1/4 to 1/3 of its original volume, until it becomes thick and boasts a rich, dark reddish-pink color. This concentration intensifies the strawberry flavor and, more importantly, prevents your frosting from becoming watery. Don’t rush this step; patience here is key to a stable, flavorful buttercream.
- Cool Completely: After reduction, the concentrated strawberry puree must cool completely before being incorporated into the buttercream. I highly recommend transferring it to a shallow bowl or container and placing it in the freezer or refrigerator. Chilling it thoroughly prevents the buttercream from separating when combined with butter.
- Whip the Buttercream: Once your reduced strawberry puree is perfectly cold, the rest of the frosting process is straightforward. In a large bowl, use an electric mixer to beat the softened unsalted butter until it’s light and fluffy. Gradually add the sifted powdered sugar, alternating with the cooled, reduced strawberry puree, vanilla extract, and a pinch of salt. Beat until everything is well combined and the frosting is creamy and smooth. Adjust consistency and sweetness by adding more powdered sugar or a touch of whipping cream as needed.
A crucial tip: If the reduced strawberry puree is still warm when added to the butter, the mixture will separate, resulting in a greasy, unworkable frosting. So, be absolutely certain it’s completely chilled before proceeding. The result of these efforts is a truly sensational **fresh strawberry buttercream** that provides a delectable, authentic berry flavor and a gorgeous, natural pink hue, making this simple **vanilla cake** an extra special treat.
Decoding Baking: Why Do Cakes Sometimes Fall?
There are few things more disheartening in baking than pulling a beautifully risen cake from the oven, only to watch it sink dramatically in the middle. This common baking woe can be attributed to several factors, often a delicate balance of ingredients and technique. Understanding these culprits can help you achieve consistently perfect results.
- **Moisture Imbalance:** While a moist cake is desirable, both too little and too much moisture can cause a cake to fall. Insufficient liquid leads to a dry batter that struggles to hold its structure. Conversely, excessive moisture, especially prevalent in humid climates where flour naturally absorbs more atmospheric water, can cause the cake to rise too rapidly. This quick expansion then collapses as the structure can’t support the excess steam, leading to a sunken center. It’s crucial to measure liquids precisely and consider your environment.
- **Incorrect Oven Temperature and Preheating:** Cakes rely on consistent, adequate heat to set their structure. If your oven isn’t properly preheated or the temperature is set too low, the cake will bake too slowly. This extended baking time allows the leavening agents to act too early, causing the cake to rise prematurely before its structure is strong enough to set, leading to a collapse. Always use an oven thermometer to ensure accuracy and give your oven ample time to reach the desired temperature.
- **Over-mixing or Under-mixing the Batter:** Mixing cake batter is a delicate art. Over-mixing develops gluten, making the cake tough and sometimes causing it to fall because the gluten structure becomes too strong and rigid, unable to expand smoothly. It also incorporates too much air initially, which then escapes during baking. On the other hand, under-mixing can result in an uneven distribution of leavening agents and insufficient air incorporation, leading to a dense cake that struggles to rise evenly, eventually sinking. Mix until just combined, stopping as soon as no dry streaks remain.
- **Under-baking:** A cake removed from the oven before it’s fully baked lacks the structural integrity to hold its form. The internal structure hasn’t had enough time to set, so the moment it leaves the heat, it will inevitably sink. Always test for doneness using a toothpick inserted into the center; it should come out clean or with a few moist crumbs, but no wet batter.
- **Excessive Leavening Agents:** It might seem logical that more baking powder or baking soda would lead to a higher rise, but this is a common misconception. Too much leavening can cause a rapid, unstable rise that inevitably deflates in the center. The excessive gas production over-stretches the gluten network, causing it to break, and the cake will collapse under its own weight. Stick to the recipe’s specified amounts.
- **Opening the Oven Door Too Soon or Too Frequently:** The sudden change in temperature and air pressure when the oven door is opened can be a shock to a delicate cake structure, especially in the early stages of baking when the cake is still setting. This jolt can cause it to deflate. Resist the urge to peek during the first two-thirds of the baking time. Only open the door when necessary to check for doneness, and do so gently.
- **Too Much Liquid or Too Many Dry Ingredients:** An imbalanced ratio of wet to dry ingredients can also contribute to a falling cake. Too much liquid can dilute the batter, weakening the gluten structure and making it unable to support the rise. Conversely, a batter that is too dry may initially puff up due to the intense steam trying to escape but then quickly sink as it lacks sufficient moisture to remain supple and expand. Precision in measuring all ingredients is paramount.

Storing Your Masterpiece: Cake with Buttercream Frosting
Proper storage is essential to keep your **vanilla cake with fresh strawberry frosting** delicious and moist. Leftovers should be stored in an airtight container in the refrigerator. This helps maintain the freshness and prevents the buttercream from spoiling. Enjoy your refrigerated cake for up to 3 days for the best quality.
Can You Freeze a Cake With Buttercream Frosting?
Absolutely! Freezing is an excellent way to extend the life of your cake, allowing you to enjoy a slice of this delightful treat whenever a craving strikes. To freeze a frosted cake effectively, follow these simple steps:
- Set the Buttercream: After you’ve beautifully decorated your cake, place it uncovered in the freezer for a couple of hours. This crucial step allows the buttercream to firm up, preventing it from sticking to any wrapping materials.
- Wrap Thoroughly: Once the buttercream is completely set and firm to the touch, remove the cake from the freezer. Carefully wrap the entire cake with several layers of plastic wrap, ensuring no part is exposed to the air. For longer storage (more than a few days), add an additional layer of aluminum foil over the plastic wrap. This double layer provides extra protection against freezer burn and helps maintain the cake’s flavor and texture.
- Thaw Gently: When you’re ready to enjoy your frozen cake, simply transfer it to the refrigerator and allow it to thaw slowly overnight. For best results, let it come to room temperature on the counter for about an hour before serving to ensure the cake and frosting are at their optimal texture and flavor.
Embrace the vibrant flavors of spring and summer with this effortlessly elegant **vanilla cake** crowned with a homemade **fresh strawberry frosting**. It’s not just a dessert; it’s a statement of fresh ingredients and delightful simplicity, perfect for making cherished memories with friends and family. This easy-to-make treat is incredibly versatile – a show-stopping birthday cake, a charming centerpiece for baby or bridal showers, or a refreshing fruity dessert for any warm-weather gathering. Its soft texture, rich vanilla notes, and authentic strawberry tang create an experience that’s truly special.
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Vanilla Cake with Fresh Strawberry Frosting
By Fiona
Prep Time: 5 mins | Cook Time: 35 mins | Total Time: 40 mins | Servings: 16
Soft, moist vanilla sheet cake topped with strawberry buttercream – you’ll love the flavor combo and pretty pink color of this vanilla cake with fresh strawberry frosting.

Ingredients
For the Vanilla Cake
- 2 ½ Cups Cake Flour, sifted (not self rising)
- 1 ½ teaspoons Baking Powder
- 1/2 teaspoon Baking Soda
- 1/4 teaspoon Salt
- 3/4 Cup Unsalted Butter, softened to room temperature
- 1 ½ Cups Granulated Sugar
- 2 Large Eggs, whole, room temperature
- 2 Egg Whites, discard the yolks, room temperature
- 2 teaspoons Vanilla Extract
- 1/4 Cup Sour Cream, room temperature
- 3/4 Cup Milk, room temperature
For the Strawberry Frosting
- 1 ½ Cups Fresh Strawberries, chopped
- 1 Cup Unsalted Butter, softened to room temperature
- 4-5 Cups Powdered Sugar, sifted
- 1/4 teaspoon Vanilla Extract
- 1/4 teaspoon Salt
- 1 Tablespoon Whipping Cream, as needed
Instructions
Vanilla Cake
- Preheat the oven to 350 F degrees.
- Grease and flour a 9×13 inch baking pan. Or line the bottom with parchment paper, and grease the sides.
- In a medium-sized bowl whisk together the flour, baking powder, baking soda and salt. Then set aside.
- Then in a second large bowl using a hand-held mixer on medium speed, beat the butter and sugar together until fluffy (about 2 minutes).
- Add in the 2 large eggs, 2 egg whites and vanilla extract and continue beating until combined (about 30-60 more seconds).
- Turn off the mixer and scrape down the sides of the bowl as needed.
- Then beat in the sour cream, followed by about 1/2 of the flour mixture.
- Finally, beat in the milk followed by the remaining flour mixture. Be careful not to over mix.
- Pour the batter into the prepared pan and bake for 30-35 minutes or until an inserted toothpick comes out clean.
- Allow the cake to cool fully before frosting.
Strawberry Buttercream Frosting
- Core the strawberries to remove the white centers, then pulse in a food processor or blender until smooth.
- Then put the strawberry puree through a sieve to remove the seeds. You’ll likely need to press the mixture through using a spatula or spoon. You should end up with about 1 and 1/2 to 1 and 1/4 cups of strawberry puree.
- Pour the strawberry puree into a medium-sized saucepan over low-medium heat.
- Heat the puree until it gently boils while stirring occasionally.
- Allow the mixture to boil gently for 10-15 minutes until it’s thick in consistency and dark red-ish pink in color.
- When the mixture is done boiling, you should have about 1/3 cup left. Put the reduced strawberry puree in the fridge or freezer to cool fully.
- To make the frosting, in a large bowl using an electric mixer on medium speed, beat the butter until fluffy.
- Then turn the mixer down to low speed and beat in 2 cups of the powdered sugar.
- Then turn off the mixer and add in 1/4 cup of the reduced strawberry puree (it must be cold when added), the vanilla and salt.
- Beat together on low speed.
- Then beat in an additional 2 cups of powdered sugar.
- Once combined, turn the mixer up to medium speed and beat for an additional 30 seconds.
- Beat in a little extra powdered sugar, and up to 1 tablespoon of cream as needed to get the desired consistency and sweetness level.
- Frost the cooled cake with the strawberry frosting, and optionally decorate each piece with half a strawberry.
Recipe Notes
Leftovers can be stored in the fridge in an air-tight container for up to 3 days.
Nutrition
Serving: 1 piece, Calories: 472kcal, Carbohydrates: 65g, Protein: 4g, Fat: 23g, Saturated Fat: 14g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 6g, Trans Fat: 1g, Cholesterol: 81mg, Sodium: 132mg, Potassium: 123mg, Fiber: 1g, Sugar: 50g, Vitamin A: 711IU, Vitamin C: 8mg, Calcium: 50mg, Iron: 0.4mg
Nutrition information is automatically calculated, so should only be used as an approximation.
Like this recipe? Leave a comment below!

This post and recipe were originally shared by Fiona from Just So Tasty.
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