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potluck german chocolate
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5 from 1 vote

Potluck German Chocolate Cake

This is an easy-to-carry, easy-to-serve 9x13 inch German Chocolate Cake. For a smaller version, cut all the ingredients in half and bake in an 8 inch square pan.
Prep Time10 mins
Cook Time30 mins
Total Time40 mins
Course: Dessert
Cuisine: American
Servings: 12
Author: Cookie Madness


  • 6 oz German's Sweet Chocolate Baking Bars chopped
  • 1/4 cup plus 2 tablespoons water
  • 1 1/2 cups all-purpose flour 200 grams
  • 3/4 teaspoon baking soda
  • 1/2 teaspoon salt
  • 6 oz 170 grams unsalted butter, softened
  • 1 1/2 cups granulated sugar 285 grams
  • 3 large eggs separated
  • 3/4 teaspoon vanilla extract
  • 3/4 cup buttermilk

Coconut-Pecan Frosting

  • 3 egg yolks lightly beaten
  • 1 cup evaporated milk
  • 1 cup granulated sugar 190 grams
  • 1/2 cup 4 oz unsalted butter, softened**
  • 1/4 teaspoon salt
  • 1 chopped roasted pecans feel free to use more
  • 1 cup sweetened flaked coconut toasted (use more if desired)
  • 1 teaspoon vanilla extract


  • Preheat oven to 350°. Have ready a 9x13 inch baking pan.
  • Chop the chocolate. In a saucepan, bring water to a boil. Turn off heat and add the chocolate. Allow the chocolate to melt in the water and stir until smooth. Set aside to cool slightly.
  • While chocolate cools, weigh out the flour and mix it with the salt and baking soda. Set aside.
  • In a large mixing bowl, using an electric mixer, beat the butter and sugar at medium speed until fluffy.Add egg yolks, 1 at a time, beating just until blended after each addition. Add chocolate mixture and vanilla and stir until well mixed, scraping bowl often.
  • Add flour mixture and buttermilk alternately, stirring until flour is absorbed.
  • In a separate bowl, beat the egg whites until soft peaks form, then fold them into the batter.
  • Pour batter into the pan and spread evenly.
  • Bake at 350° for 30 minutes or until a wooden pick inserted in center comes out clean. Remove from oven and let cool on a wire rack while you make the frosting.
  • In a large saucepan (I use a 3 quart), whisk together the egg yolks and evaporated milk. Add sugar and softened butter. Place over medium heat and cook, stirring constantly, for 12 minutes.
  • Mixture will start to boil after about 5 minutes, and from that point you just want to maintain a gentle boil, stirring well, for the next 7 minutes. Mixture will thicken and become more dense and may brown a little around the sides.
  • Remove from heat and stir in the toasted pecans, coconut and vanilla. Also, taste test and add more salt if needed.
  • Transfer mixture to a bowl and let stand, stirring occasionally, until you feel it's thick enough to spread on the cake.
  • Spread mixture over the top of the cake.


If you'd like to make serving the cake even easier or just need to freeze it, before baking line the cake pan with nonstick foil (parchment would be okay, too). Follow the directions as written, let the cake cool completely, then cover it and freeze for 12 hours. Remove the cake from the pan, peel away foil, and use a chef's knife to cut the cake into 12 to 16 pieces. Set the frozen pieces back in the serving dish, cover it up and carry to your party. For the frosting, you can use salted butter. If you do, you may want to reduce the salt to 1/8 teaspoon or omit it.