Class 2026 Vanilla Sheet Cake (Printable version)

Fluffy vanilla sheet cake with creamy buttercream and festive decorations ideal for celebrations.

# What You Need:

→ Cake

01 - 3 cups all-purpose flour
02 - 2½ teaspoons baking powder
03 - ½ teaspoon baking soda
04 - ½ teaspoon salt
05 - 1 cup unsalted butter, room temperature
06 - 2 cups granulated sugar
07 - 4 large eggs, room temperature
08 - 1 tablespoon vanilla extract
09 - 1½ cups whole milk, room temperature

→ Vanilla Buttercream

10 - 1 cup unsalted butter, room temperature
11 - 4 cups powdered sugar, sifted
12 - 2 teaspoons vanilla extract
13 - ¼ cup whole milk, room temperature
14 - Pinch of salt

→ Decoration

15 - Graduation-themed sprinkles or edible decorations
16 - Gel food coloring, optional

# Directions:

01 - Preheat oven to 350°F. Grease and line a 12x18-inch half-sheet baking pan with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
03 - In a large bowl, beat butter and sugar together until light and fluffy, approximately 3 minutes.
04 - Add eggs one at a time, beating well after each addition. Mix in vanilla extract.
05 - Add half the dry ingredients to the wet mixture and mix on low speed. Pour in half the milk and mix gently. Repeat with remaining dry ingredients and milk, mixing just until combined.
06 - Pour batter into prepared pan and spread evenly.
07 - Bake for 28 to 32 minutes, or until a toothpick inserted in the center comes out clean.
08 - Let cake cool completely in the pan on a wire rack.
09 - Beat butter until creamy, about 2 minutes. Gradually add powdered sugar, mixing on low speed. Add vanilla, milk, and salt. Beat on high for 2 to 3 minutes until fluffy. Add food coloring if desired.
10 - Spread buttercream evenly over cooled cake. Decorate with graduation-themed sprinkles or edible decorations.
11 - Slice and serve.

# Expert Tips:

01 -
  • It feeds a room without requiring you to be a pastry chef or spend your entire day in the kitchen.
  • The vanilla buttercream tastes homemade in the best way—rich, smooth, and nothing like the canned stuff.
  • You can decorate it however you want, making it feel personal for whoever you're celebrating.
02 -
  • Room temperature ingredients are not optional—they blend smoothly and create a tender cake, while cold ingredients create lumps and dense texture.
  • Do not skip the cooling step no matter how impatient you feel, because frosting warm cake causes it to melt and slide everywhere.
03 -
  • Let all ingredients reach room temperature before you start—it takes ten minutes and changes everything about how the batter comes together.
  • Don't overbake—a toothpick with a few moist crumbs is better than one that comes out completely clean, because the cake continues cooking slightly as it cools.
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