Class of 2026 Vanilla Cake (Printable)

Moist vanilla sheet cake layered with rich buttercream and decorated for graduation celebrations.

# What You'll 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

# How-To Steps:

01 - Preheat oven to 350°F. Grease a 12x18-inch sheet pan and line 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 the 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 the 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 the cooled cake. Decorate with graduation-themed sprinkles or edible decorations.
11 - Cut cake into portions and serve.

# Top Tips:

01 -
  • It's genuinely foolproof—the crumb is tender and forgiving, even if you slightly overmix or your ingredients aren't perfectly room temperature.
  • One pan means one cleanup, which matters when you're feeding twenty-four people and want to actually enjoy the party.
  • The vanilla buttercream isn't overly sweet, so it actually complements the cake instead of drowning it out.
  • You can personalize it endlessly with school colors or custom sprinkles without the recipe suffering one bit.
02 -
  • Room temperature ingredients are not a suggestion—they actually change how the batter emulsifies and how light the final crumb becomes.
  • Don't open the oven door before minute twenty-five; I learned this when a draft caused my sheet cake to collapse unevenly, and it still tasted fine but looked like it had been through something.
03 -
  • If your buttercream seems grainy, it usually means the powdered sugar wasn't fully sifted or the ingredients were too cold—just beat it on high for an extra minute or two and it'll come together.
  • For elegant writing or borders, transfer some frosting to a piping bag fitted with a small round or writing tip, then practice your message on a piece of parchment before piping it on the cake.
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