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German Chocolate Sheet Cake Recipe

Sara Collins
The German Chocolate Sheet Cake Recipe is rich, moist and topped with the most irresistible coconut-pecan frosting.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Dessert
Cuisine American
Servings 16
Calories 390 kcal

Ingredients
  

For the chocolate cake:

  • 2 cups sugar
  • 2 cups all-purpose flour
  • 1 cup unsweetened cocoa powder
  • 1 ½ tsp baking powder
  • 1 ½ tsp baking soda
  • 1 tsp salt
  • 2 eggs
  • 1 cup buttermilk
  • ½ cup vegetable oil
  • 2 tsp vanilla extract
  • 1 cup boiling water

For the coconut pecan frosting:

  • 1 cup evaporated milk
  • 1 cup sugar
  • 3 egg yolks
  • ½ cup butter
  • 1 tsp vanilla extract
  • 1 ½ cups shredded sweetened coconut
  • 1 cup chopped pecans

Instructions
 

Prepare the Oven and Pan

  • Preheat your oven to 350°F (175°C). Grease a 9x13 baking pan.

Mix Dry Ingredients

  • In a large bowl, whisk together sugar, flour, cocoa, baking powder, baking soda, and salt.

Add Wet Ingredients

  • Add eggs, buttermilk, oil, and vanilla. Mix until smooth and combined.

Add Boiling Water

  • Stir in the boiling water slowly. The batter will be thin — this is normal and makes the cake moist.

Bake the Cake

  • Pour batter into the pan and bake for 28–32 minutes. A toothpick should come out clean.
  • Let the cake cool slightly before adding the frosting.

Make the Frosting

  • In a saucepan, combine evaporated milk, sugar, egg yolks, and butter.
  • Cook over medium heat, stirring constantly, until thickened (about 10–12 minutes).
  • Remove from heat and stir in vanilla, coconut, and pecans.

Frost the Cake

  • Spread the warm frosting over the slightly cooled cake.
  • Let it set for about 20 minutes.

Notes

  • Use high-quality cocoa powder for richer flavor.
  • Stir the frosting constantly to prevent burning.
  • Don’t skip the boiling water—it creates the signature moist texture.
  • Frost the cake while both cake and topping are warm for perfect blending.
  • Toast the pecans first for deeper flavor.
Keyword German Chocolate Sheet Cake Recipe