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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