Chocolate Sheet Cake

Chocolate Sheet Cake- homemade chocolate sheet cake with from scratch chocolate frosting and topped with chopped nuts.

homemade chocolate sheet cake

I know chocolate sheet cake is kind of boring in the world of cakes…but I had to have the recipe that my grandma used on my blog. My grandma use to make chocolate sheet cakes for birthdays and get togethers at church. Chocolate Sheet Cakes are nostalgic for me. I use to get so excited seeing the cake sitting and my grandma always made sure to send my brother and me home with the leftovers. Which never lasted long!

homemade chocolate sheet cake

Aside from the memories, Chocolate Sheet Cake is delicious and feeds a crowd. Also, they’re so easy to make so it’s really a great recipe to have around and use when you need to feed a lot of people dessert. 

I use this sheet pan and think it’s great! I use to for lots of different things and not just baking sheet cakes. Make sure you have the right size pan before baking a sheet cake. It needs to be 18″x 13″x 1.”

made from scratch chocolate sheet cake

Enough about chocolate sheet cake…there’s really not much else to say about it, so enjoy, friends!

Chocolate Sheet Cake


  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1/2 cup of butter
  • 2 eggs
  • 4 tablespoons unsweetened cocoa
  • 1 cup water
  • 1 teaspoon vanilla
  • 1/2 cup buttermilk
  • 1 teaspoon baking soda


  • 1/2 cup of butter
  • 3 tablespoons of cocoa
  • 6 tablespoons of milk I use whole
  • Approximately 2 cups of powdered sugar
  • 1 cup chopped nuts I use walnuts or pecans


  • Mix sugar and flour together in a large mixing bowl.
  • Heat cocoa, water and butter in pan until boiling.
  • Pour over dry ingredients.
  • Add buttermilk, mix with baking soda, then eggs and vanilla.
  • Pour into sheet pan and bake for 20 minutes at 400 degrees.


  • While the cake is baking bring butter, cocoa and milk to a slight boil in a saucepan. Once boiling remove from heat and stir in sugar and vanilla. Mix well. Spread over hot cake as soon as it comes out of the oven.
  • Cool completely.

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