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Cookie Sheet Cake


The Gourmandize Team

Cookie Sheet Cake. Discover our recipe.

Rate this recipe 3.9/5 (47 Votes)


  • Cake:
  • 1 cup milk
  • 2 tbsp cocoa
  • 1/2 cup butter
  • 1 beaten egg
  • 1 cup flour
  • 1 cup brown sugar
  • 1/4 tsp vanilla
  • 1/2 tsp baking powder
  • 1 tsp baking soda mixed in 1 tbsp milk
  • Fudge Frosting:
  • 1 1/3 cup white sugar
  • 2 tbsp cocoa
  • 1/2 cup milk
  • pinch of salt
  • 1 tsp butter


Servings 24
Level of difficulty Average
Preparation time 20mins
Cooking time 20mins
Cost Average budget


Step 1

Preheat oven to 350 degrees F.

Step 2

Cake: Mix milk and cocoa together and bring to a boil for 2 minutes. Remove from heat and add the rest of the ingredients. Beat well. Spread in a greased cookie sheet tin (15 x 10.5) and bake for 15 minutes.

Step 3

Fudge Frosting: Boil ingredients until they form a soft ball when dropped into a bowl of ice water, about 3 minutes. Remove from heat and beat until it reaches a spreadable consistency for the cake.

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  • 2 large water or soda bottles (empty)
  • 2 cups flour
  • 1 cup sugar
  • 2 sticks butter
  • 6 eggs
  • 1 tbsp baking powder
  • 1 cup heavy cream
  • 4 tbsp cocoa powder


  1. Preheat oven to 350°F.
  2. Ready 2 large plastic bottles, cleaned and dried.
  3. Add 1 cup of flour to each bottle.
  4. Add 1/2 cup of sugar to each.
  5. Melt butter, then add equal halves to each bottle.
  6. Add 6 eggs, 3 in each.
  7. Add 1/2 tbsp of baking powder to each.
  8. Add 1/2 cup of heavy cream to each.
  9. Shake the bottles thoroughly until the contents are well mixed.
  10. In one of the bottles only, add the cocoa powder.
  11. Beginning with the cocoa powder mixture, add a dolop of batter to the center of a circular
  12. baking tin. Do the same with the other mixture, placing the dolop directly in the center of the previous one.
  13. Continue with alternating additions of each mixture until all batter is used and the tin is full.
  14. Place in the oven and bake for 30 minutes.
  15. Serve and enjoy!

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