Moist Vanilla Strawberry Sheet Cake

Name: Moist Vanilla Strawberry Sheet Cake
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 12 servings
Ingredients: 2 cups all-purpose flour; 1 ½ cups granulated sugar; 1 cup buttermilk, room temperature; ½ cup unsalted butter, softened; 3 large eggs, room temperature; 1 tablespoon vanilla extract; 1 ½ teaspoons baking powder; ½ teaspoon baking soda; ¼ teaspoon salt; 1 cup unsalted butter, softened; 3-4 cups powdered sugar; 2-3 tablespoons heavy cream; 1 cup fresh strawberries, pureed; 1 teaspoon vanilla extract

Highlighted under: Oven Favorites

I love baking on weekends, and nothing excites me more than this Moist Vanilla Strawberry Sheet Cake. It's the perfect dessert to satisfy my sweet tooth while celebrating the fresh flavors of summer. With its fluffy vanilla base and layers of juicy strawberries, this cake is incredibly moist and delightful. I often share this cake with friends and family, and it never fails to impress them. What I appreciate most about this recipe is how simple it is, yet the results are stunning and delicious enough for any gathering.

Created by

Arabelle Finch

Last updated on 2026-03-28T01:40:20.956Z

When I first made this cake, I was seeking a perfect summer dessert that was light yet indulgent. The combination of vanilla and fresh strawberries brought a lovely freshness that brightened up every bite. I used real strawberries for the frosting, which not only added an amazing flavor but also a beautiful color. This detail makes all the difference in the presentation.

I've experimented with various vanilla cake recipes, but this one stands out due to the buttermilk, which makes the texture incredibly soft and moist. The key is not to overmix the batter; gentle folding ensures it stays fluffy and tender. Trust me, your guests won't be able to resist asking for seconds!

Why You'll Love This Recipe

Luxuriously moist texture that keeps well
Fresh strawberries add a burst of flavor
Perfect for potlucks or summer celebrations

Baking Tips for Success

To achieve the ideal moistness in your vanilla strawberry sheet cake, it's crucial to not overmix the batter once you've combined the wet and dry ingredients. Overmixing can lead to a dense texture, so mix gently until no flour pockets remain. Additionally, ensure your butter is softened to room temperature for optimal creaming. This creates air pockets that help the cake rise beautifully during baking.

I recommend using a toothpick or cake tester to check for doneness. Insert it into the center of the cake; it should come out clean or with just a few moist crumbs attached. If you notice wet batter, give the cake another couple of minutes in the oven, keeping a close eye to prevent overbaking, which could dry it out.

Strawberry Frosting Mastery

When making the strawberry frosting, make sure to puree your fresh strawberries ahead of time and allow them to drain slightly to avoid excess moisture. This ensures that your frosting won’t become runny. For an extra touch of flavor, you can slightly cook the strawberries before pureeing to concentrate their sweetness, enhancing the overall taste of the frosting.

If you prefer a firmer frosting, adjust the consistency by adding extra powdered sugar until you achieve the desired thickness. When spreading the frosting on the cooled cake, use an offset spatula for a smooth finish. I like swirling it on top for a playful look; it’s all about making it visually appealing as well as delicious!

Serving and Storage Suggestions

This cake is very versatile and can be served at various temperature settings—room temperature or chilled both taste great! If you want to elevate your dessert, consider serving it with a side of whipped cream or a scoop of vanilla ice cream. These add richness and complement the fruity flavor wonderfully.

For storage, keep any leftover cake in an airtight container at room temperature for 2-3 days. You can also refrigerate it if you prefer, and it will last up to a week. If you want to make the cake ahead of time, you can freeze it before frosting. Wrap the cake tightly in plastic wrap, and it will retain its moistness for about 2 months. Just be sure to let it cool completely before wrapping to avoid condensation.

Ingredients

For the cake:

2 cups all-purpose flour
1 ½ cups granulated sugar
1 cup buttermilk, room temperature
½ cup unsalted butter, softened
3 large eggs, room temperature
1 tablespoon vanilla extract
1 ½ teaspoons baking powder
½ teaspoon baking soda
¼ teaspoon salt

For the strawberry frosting:

1 cup unsalted butter, softened
3-4 cups powdered sugar
2-3 tablespoons heavy cream
1 cup fresh strawberries, pureed
1 teaspoon vanilla extract

Make sure to use fresh strawberries for the best flavor!

Instructions

Preheat the oven

Preheat your oven to 350°F (175°C). Grease and flour a 13x18 inch sheet cake pan.

Mix dry ingredients

In a large bowl, whisk together the flour, baking powder, baking soda, and salt.

Combine wet ingredients

In another bowl, cream the butter and sugar until light and fluffy. Add the eggs one at a time, followed by the vanilla and buttermilk.

Combine mixtures

Gradually add the dry ingredients to the wet mixture, stirring gently until just combined.

Bake the cake

Pour the batter into the prepared sheet pan and smooth the top. Bake for 30 minutes, or until a cake tester comes out clean.

Prepare strawberry frosting

While the cake cools, beat the softened butter until creamy. Gradually add the powdered sugar, cream, strawberry puree, and vanilla until smooth and fluffy.

Frost the cake

Once the cake is completely cool, spread the strawberry frosting evenly over the top.

Serve

Slice the cake into squares and serve. Enjoy!

For an added touch, top each slice with fresh strawberry slices.

Pro Tips

Using room temperature ingredients helps create a smoother batter. Also, if you want to make the cake ahead of time, bake and freeze it without frosting, allowing you to frost it fresh on the day of serving.

Ingredient Substitutions

If you're out of buttermilk, you can create a quick substitute using milk and vinegar or lemon juice. Simply add 1 tablespoon of vinegar or lemon juice to a measuring cup, then fill it with milk until you reach 1 cup. Let it sit for about 5 minutes before using. This will mimic the acidity and moisture that buttermilk provides in the cake.

For a dairy-free option, you can replace the butter with a plant-based alternative and use almond or soy milk in place of buttermilk. The overall texture may differ slightly, but your cake will still be delicious. Just check the label on your butter substitute to ensure it can handle the creaming process effectively.

Scaling the Recipe

This sheet cake recipe is easily scalable. If you need to serve a larger crowd, you can double the ingredients and bake it in a larger pan, such as a 16x24 inch. Just remember to adjust the baking time, as a larger cake might take an additional 5-10 minutes. Keep checking for doneness with a toothpick inserted in the center until it comes out clean.

Conversely, if you want to make a smaller batch, you can halve the recipe and bake it in an 8x8 inch square pan. Again, keep an eye on the baking time, as it will be shorter—about 20-25 minutes. Monitoring the cake closely is key to preventing any overbaking, especially when adjusting portion sizes.

Flavor Variations

While the classic vanilla and strawberry combination is always a winner, you can experiment with flavors to create your own unique spin. For instance, adding a teaspoon of almond extract to the batter can enhance the vanilla flavor remarkably and give it a lovely twist, perfect for those who enjoy nutty notes in their desserts.

You can also swap out strawberries for other berries. Blueberries, raspberries, or even blackberries can be used in the same way, providing not only different flavors but also vibrant colors that can make your cake visually striking. Just remember to adjust the quantities based on the sweetness of the fruit you choose.

Questions About Recipes

→ Can I use frozen strawberries?

Yes, you can use frozen strawberries, but make sure to thaw and drain them well.

→ How long will the cake stay fresh?

The cake will stay fresh for up to 3 days at room temperature, covered tightly.

→ Can I substitute the buttermilk?

Yes! You can make a buttermilk substitute by mixing milk with a tablespoon of vinegar or lemon juice.

→ Is it possible to make this cake gluten-free?

Definitely! Use a gluten-free all-purpose flour blend for a gluten-free version.