Discover the Joy of Baking: Funfetti Sheet Cake with Brown Butter Frosting

Welcome to the world of funfetti sheet cake, where every slice is a celebration! This delightful cake, bursting with colorful sprinkles and topped with luscious brown butter frosting, is perfect for birthdays, holidays, or just because! In this comprehensive guide, I’ll walk you through every step to ensure your baking adventure is not only successful but also fun! So, roll up your sleeves, and let’s dive into this joyful recipe!

Why You’ll Love This Recipe

This funfetti sheet cake is not just a treat for the taste buds; it’s a charming experience that brings happiness to any occasion. Here are just a few reasons why you’re going to adore this cake:

  • Perfect for Celebrations: Whether it’s a birthday, graduation, or a simple family gathering, this cake is sure to impress your guests and add a festive touch to your table.
  • Soft and Fluffy Texture: The combination of cake flour and buttermilk ensures a tender crumb that melts in your mouth, making each bite a delight.
  • Brown Butter Bliss: The brown butter frosting adds a rich, nutty flavor that elevates the sweetness of the funfetti cake, creating a perfect harmony of flavors.
  • Easy to Make: With straightforward instructions and common ingredients, even beginner bakers can whip up this cake with confidence!
  • Versatile and Customizable: You can easily adapt this funfetti cake base to suit your tastes, whether by changing the frosting or experimenting with different flavors and add-ins.

Gathering Your Ingredients

Before we start mixing, let’s make sure you have everything you need. Here’s the complete list of ingredients for the funfetti sheet cake and brown butter frosting:


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  • For the Cake: 2 1/2 cups (288 g) cake flour, 1 1/2 tsp (6 g) baking powder, 1/2 tsp (3 g) baking soda, 1/2 tsp (3 g) salt, 1/2 cup (112 g) unsalted butter (room temperature), 1 1/4 cups (250 g) granulated sugar, 2 tsp (8 g) vanilla extract, 1/2 tsp (2 g) pure almond extract, 2 large eggs (room temperature), 1 cup (240 g) low-fat buttermilk (room temperature), 1/2 cup (120 g) sour cream (room temperature), 3/4 cup (120 g) rainbow sprinkles.
  • For the Brown Butter Frosting: 1 1/2 cups (336 g) unsalted butter (room temperature), 1/2 tsp (3 g) salt, 1/2 tsp (2 g) vanilla extract, 1/8 tsp almond extract, 3 cups (360 g) powdered sugar, sprinkles for decoration.

Step-by-Step Instructions

Now that we have our ingredients ready, let’s get baking! Follow these simple steps to create your funfetti sheet cake:

  1. Preheat your oven to 350°F (175°C). Spray a 13 x 9” baking pan with nonstick spray, then line the bottom with parchment paper for easy removal.
  2. In a medium bowl, whisk together the cake flour, baking powder, baking soda, and salt.
  3. In a large mixer bowl, beat the unsalted butter and granulated sugar at medium speed until light and fluffy, about 3-4 minutes. Add the vanilla and almond extracts, mixing until combined.
  4. Add the eggs one at a time, ensuring each is well incorporated before adding the next.
  5. In a small bowl, combine the buttermilk and sour cream. Gradually add the flour mixture in three parts, alternating with the buttermilk mixture, beginning and ending with flour. Fold in the rainbow sprinkles gently.
  6. Spoon the batter into the prepared baking pan, smoothing the top with an offset spatula. Tap the pan sharply on the counter to eliminate air bubbles.
  7. Bake for 25 to 27 minutes, or until the top is golden and a toothpick inserted in the center comes out clean or with a few moist crumbs.
  8. Cool the cake completely in the pan on a wire rack.
  9. While the cake is cooling, prepare the brown butter frosting. In a heavy saucepan, melt 1/4 cup of butter over medium heat, stirring constantly until it foams, becomes clear, and then turns a deep brown, about 5 minutes. Pour the brown butter into a large mixing bowl and let it cool for 20 minutes.
  10. Add the remaining butter to the mixing bowl with the brown butter, mixing on low speed until combined. Mix in the salt, vanilla, and almond extracts.
  11. Gradually add the powdered sugar on low speed until combined, then increase to medium speed and beat for 1 minute until fluffy.
  12. Dollop the frosting over the cooled cake and swirl with an offset spatula. Decorate with additional sprinkles for that festive touch.
  13. Chill the cake in the refrigerator for 20 minutes before slicing and serving.

Pro Tips for Perfect Baking

To ensure your funfetti sheet cake turns out perfectly, here are some expert tips:

  • Room Temperature Ingredients: Using room temperature butter, eggs, and dairy products helps the batter mix evenly, creating a smoother texture.
  • Measure Flour Correctly: Spoon the cake flour into your measuring cup and level it off for the most accurate measurement. Avoid scooping directly from the bag, which can pack it down.
  • Don’t Overmix: Once you add the flour, mix just until combined. Overmixing can lead to a dense cake.
  • Use Fresh Ingredients: Ensure your baking powder and baking soda are fresh for optimal rising.
  • Check for Doneness: Every oven is different, so start checking for doneness a few minutes before the suggested baking time.
  • Chill Your Frosting: If your frosting is too soft to spread, chill it in the fridge for 10-15 minutes before using.
  • Decorate with Swirls: Don’t be afraid to get creative with your frosting swirls—it adds a personal touch to your cake!
  • Serve at Room Temperature: For the best flavor and texture, allow the cake to sit at room temperature for about 30 minutes before serving.

Common Mistakes and Troubleshooting

If things don’t go as planned, don’t worry! Here are some common mistakes and how to avoid them:

  • Dense Cake: This could be due to overmixing the batter or using too much flour. Remember to mix just until combined!
  • Sunken Center: This may happen if the cake hasn’t baked long enough or if the oven door was opened too soon.
  • Dry Texture: If overbaked, the cake can dry out. Keep an eye on it during the last few minutes of baking.
  • Frosting Too Soft: If your frosting is too soft, ensure your butter is at the right temperature and consider chilling it briefly.

Delicious Variations

Feeling adventurous? Here are some fun variations to try with your funfetti cake:

  • Chocolate Funfetti Cake: Substitute 1/2 cup of cake flour with cocoa powder for a chocolate version.
  • Lemon Funfetti Cake: Add the zest of one lemon and a splash of lemon juice to the batter for a zesty twist.
  • Nutty Funfetti Cake: Fold in 1/2 cup of chopped walnuts or pecans for added crunch and flavor.
  • Seasonal Sprinkles: Change up the sprinkle colors to match the season or occasion—think pastel for Easter or red and green for Christmas!

Storage and Make-Ahead Instructions

Want to prepare ahead of time? Here’s how to store your cake:

  • Room Temperature Storage: Keep the unfrosted cake in an airtight container at room temperature for up to 3 days.
  • Refrigerator Storage: Store the frosted cake tightly covered in the refrigerator for up to 3 days. Bring to room temperature before serving.
  • Make-Ahead Option: You can bake the cake a day in advance and frost it on the day of serving for optimal freshness.

Frequently Asked Questions (FAQ)

Curious about this funfetti cake? Here are some common questions answered:

  • Can I make this cake gluten-free? Yes! Substitute the cake flour with a gluten-free blend.
  • Can I use a different type of frosting? Absolutely! Cream cheese frosting or whipped cream would be delicious alternatives.
  • How many servings does this cake yield? This recipe serves about 15-20 people, depending on portion size.
  • Can I freeze the cake? Yes! Wrap the unfrosted cake tightly in plastic wrap and freeze for up to 3 months.
  • What type of pan should I use? A 13 x 9” pan is ideal, but you can also use two 9” round cake pans for a layer cake.
  • Can I make cupcakes with this batter? Definitely! This recipe can be adapted for about 24 cupcakes—just adjust the baking time.
  • Why does my cake have a dome shape? If your cake rises unevenly, it may need to bake longer. Make sure your oven temperature is accurate.
  • Can I add more sprinkles? Yes! Feel free to fold in more sprinkles for a vibrant cake.

Nutritional Tips and Dietary Adaptations

Want to make this cake a bit healthier? Here are some tips:

  • Swap Ingredients: Replace half the butter with unsweetened applesauce for a lower-fat version.
  • Use Whole Wheat Flour: Substitute half of the cake flour with whole wheat flour for added fiber and nutrients.
  • Reduce Sugar: You can cut the sugar by a quarter without significantly affecting the taste.
  • Low-Fat Dairy: Use low-fat or non-dairy alternatives for buttermilk and sour cream if you prefer.

Essential Equipment for Success

Here’s what you’ll need for your baking journey:

  • Mixing Bowls: A set of varying sizes will make mixing ingredients easier.
  • Hand Mixer or Stand Mixer: For effortless mixing and beating.
  • Baking Pan: A 13 x 9” pan is essential for this recipe.
  • Parchment Paper: Helps with easy removal of the cake from the pan.
  • Offset Spatula: Perfect for spreading frosting evenly on the cake.

Serving Suggestions

This funfetti sheet cake is perfect on its own, but here are some serving ideas to elevate your dessert:

  • Ice Cream Pairing: Serve with a scoop of vanilla or birthday cake ice cream for a delightful contrast.
  • Fresh Berries: Top each slice with fresh strawberries or raspberries for a fruity twist.
  • Whipped Cream: Add a dollop of whipped cream for extra creaminess and flair.
  • Festive Plating: Use colorful plates to make the cake pop at any gathering!

In conclusion, baking this funfetti sheet cake with brown butter frosting is a wonderful way to bring joy and sweetness to any occasion. With its easy instructions and delightful flavors, it’s a recipe you’ll want to return to time and again. So, gather your ingredients, don your apron, and let’s bake up some happiness!

Funfetti Sheet Cake with Brown Butter Frosting

Prep Time 20 minutes
Cook Time 27 minutes
Total Time 47 minutes
Servings 12 pieces
Calories 480
A vibrant and delicious cake featuring colorful sprinkles and rich brown butter frosting, perfect for celebrations.

Ingredients

Cake ingredients

  • 2 1/2 cups cake flour (288 g)
  • 1 1/2 tsp baking powder (6 g)
  • 1/2 tsp baking soda (3 g)
  • 1/2 tsp salt (3 g)
  • 1/2 cup unsalted butter (112 g, at room temperature)
  • 1 1/4 cups granulated sugar (250 g)
  • 2 tsp vanilla extract (8 g)
  • 1/2 tsp pure almond extract (2 g)
  • 2 large eggs (100 g, at room temperature)
  • 1 cup low-fat buttermilk (240 g, at room temperature)
  • 1/2 cup sour cream (120 g, at room temperature)
  • 3/4 cup rainbow sprinkles (120 g)

Frosting ingredients

  • 1 1/2 cups unsalted butter (336 g, at room temperature)
  • 1/2 tsp salt (3 g)
  • 2 tsp vanilla extract (8 g)
  • 1/8 tsp almond extract (negligible)
  • 3 cups powdered sugar (360 g)

Sprinkles for decorating

Instructions 

  • Preheat oven to 350°F (175°C). Prepare a 13x9 inch pan with nonstick spray and parchment paper.
  • Mix dry ingredients; beat butter and sugar until fluffy. Add extracts and eggs. Alternate adding flour mixture and buttermilk mixture, folding in sprinkles.
  • Pour batter into pan, smooth, and tap to remove air bubbles. Bake for 25-27 minutes until golden and a toothpick comes out clean.
  • Make brown butter: cook butter until deep brown, cool 20 minutes. Beat in remaining butter, salt, extracts, and powdered sugar to make frosting.
  • Frost cooled cake, swirl, decorate with sprinkles, and chill for 20 minutes before serving.

Notes

Chill the cake before slicing for cleaner cuts and better presentation.
Calories: 480kcal
Cost: $15
Course: Dessert
Cuisine: American
Keyword: birthday, celebration, funfetti
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