Simple Graduation Sheet Cake (Printable Version)

Moist vanilla sheet cake with buttercream frosting and festive class-themed piping for celebrations.

# What You Need:

→ Cake

01 - 2½ cups all-purpose flour
02 - 2½ teaspoons baking powder
03 - ½ teaspoon salt
04 - 1 cup unsalted butter, softened
05 - 1¾ cups granulated sugar
06 - 4 large eggs, room temperature
07 - 1 tablespoon vanilla extract
08 - 1 cup whole milk, room temperature

→ Buttercream Frosting

09 - 1 cup unsalted butter, softened
10 - 4 cups powdered sugar, sifted
11 - ¼ cup whole milk
12 - 2 teaspoons vanilla extract
13 - Pinch of salt
14 - Food coloring for school colors

→ Decoration

15 - Food coloring for piping Class of 2026
16 - Sprinkles or edible decorations as desired

# How To Make It:

01 - Preheat oven to 350°F. Grease a 9x13-inch sheet pan and line with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, and salt until evenly distributed.
03 - In a large bowl using an electric mixer, beat softened butter and sugar together for 3 minutes until light and fluffy.
04 - Add eggs one at a time to the butter mixture, beating well after each addition. Mix in vanilla extract until fully combined.
05 - Gradually add the flour mixture in three additions, alternating with milk and beginning and ending with flour. Mix on low speed until just combined.
06 - Pour batter into prepared pan and smooth the top with a spatula. Bake for 30–35 minutes until a toothpick inserted in the center comes out clean.
07 - Allow cake to cool completely in the pan on a wire rack before frosting.
08 - Beat softened butter until creamy. Gradually add powdered sugar, milk, vanilla extract, and salt. Beat for 3–5 minutes until fluffy. Divide and tint portions with food coloring as desired.
09 - Spread an even layer of buttercream over the cooled cake using a spatula or offset knife.
10 - Transfer colored buttercream to piping bags fitted with small round tips. Pipe Class of 2026 on top of cake. Add sprinkles or edible decorations as desired.

# Expert Advice:

01 -
  • Perfect for celebrations: A classic vanilla sheet cake that feeds a crowd and looks impressive with personalized piping
  • Easy to customize: Use your graduate's school colors for the buttercream decorations to make it extra special
  • Beginner-friendly: Simple techniques and straightforward instructions make this cake accessible for bakers of all levels
  • Make-ahead friendly: Can be baked in advance and stored for up to 5 days, perfect for busy party planning
  • Crowd-pleaser: Classic vanilla flavor that everyone loves, with moist texture and creamy frosting
02 -
  • Use gel food coloring instead of liquid for more vibrant colors without affecting the frosting consistency
  • Practice your piping on parchment paper before decorating the actual cake to perfect your technique
  • If the buttercream becomes too soft while decorating, refrigerate it for 10–15 minutes to firm up
  • Invest in a small offset spatula for smooth, professional-looking frosting application
  • Make the cake a day ahead and store it unfrosted in the refrigerator, then frost and decorate the day of the party for freshest results
  • Check all food colorings and sprinkles for allergen information, especially if guests have dietary restrictions
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