Chocolate Sheet Cake

5 from 5 reviews

My grandmother’s chocolate fudge sheet cake recipe is a classic. Rich and chocolatey it’s sure to cure your sweet tooth. Serve the cake in small bite sized squares for an irresistible treat at the table with friends.


  • For the cake:
  • 2 cups sugar
  • 2 cups flour
  • 2 sticks butter
  • 4 tablespoons cocoa
  • 1 cup water
  • 1/2 cup buttermilk
  • 2 eggs, lightly beaten
  • 1 teaspoon baking soda
  • 1 teaspoon vanilla
  • For the icing:
  • 1 stick butter
  • 4 tablespoons cocoa
  • 6 tablespoons whole milk
  • 2 cups powdered sugar
  • 1 teaspoon vanilla


  1. Preheat oven to 400 degrees. Grease a 9 x 13 baking dish.
  2. Sift sugar and flour together in a large bowl.
  3. In a sauce pan over medium-high heat, melt butter, cocoa, and water. Bring to a rapid boil. Pour over flour and sugar. Stir by hand until blended.
  4. Next mix in buttermilk, beaten eggs, baking soda, and vanilla. Stir until well combined and pour into greased pan. Bake for 20 -25 minutes.
  5. While the cake is baking, make the icing.
  6. In the same sauce pan miix butter, cocoa, and whole milk over low heat. Remove from heat and add powdered sugar and vanilla. Stir by hand until smooth.
  7. Spread icing over cake. Wait until completely cool before cutting.
  8. Chocolate Fudge Sheet Cake freezes beautifully.