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Graduation Sheet Cake

Total Time

Prep: 20 min. Bake: 20 min. + cooling


20-24 servings

This delicious dessert will shape your graduation party into a sweet occasion...and then some. "Its surface is perfect for decorating in any way you like," details Patsy Dean of Sealy, Texas. "We use it year-round for special events." —Pasty Dean, Sealy, Texas


  • 1/4 cup baking cocoa
  • 1 cup water
  • 1 cup butter, cubed
  • 2 cups sugar
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup buttermilk
  • 2 large eggs, beaten
  • 1 teaspoon vanilla extract
  • 1/2 cup butter, cubed
  • 1/4 cup baking cocoa
  • 1/3 cup milk
  • 3-1/2 cups confectioners' sugar
  • 1 teaspoon vanilla extract
  • Vanilla icing and pastry bag or large tube of vanilla icing


  1. In a large saucepan, combine cocoa and water until smooth. Add the butter; bring to a boil. Remove from the heat; cool.
  2. In a large bowl, combine the sugar, flour, baking soda and salt. Add cocoa mixture and mix well. Beat in the buttermilk, eggs, and vanilla. Pour into a greased 15x10x1-in. baking pan.
  3. Bake at 350° for 20-22 minutes or until a toothpick inserted in the center comes out clean.
  4. For frosting, in a large saucepan, combine cocoa and milk until smooth; add the butter. Cook over low heat until butter is melted. Remove from the heat; stir in confectioners' sugar and vanilla. Spread over warm cake. Cool. Use vanilla icing to decorate like a diploma.

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