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chocolate sheet cake with chocolate frosting on parchment paper
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4.72 from 7 votes

Old fashioned Coca Cola Cake recipe

This classic Old fashioned Coca Cola cake pays homage to Southern tradition. Rich, moist, and decadent with a fudgy frosting to match. This chocolate cake is surely what chocolate dreams are made of!!
Prep Time15 mins
Cook Time35 mins
Resting time30 mins
Total Time1 hr 20 mins
Course: Dessert
Cuisine: American, southern
Keyword: chocolate, easy chocolate sheet cake receipe, old fashioned receipes, sheet cake
Servings: 12
Calories: 600kcal


  • 9 X 13 cake pan


  • 2 cups all purpose flour
  • 2 cups granulated sugar
  • 1 1/2 cups minature marshmallows
  • 1 cup unsalted butter
  • 3 tbsp unsweetened cocoa powder
  • 1 cup Coca-Cola
  • 1/2 cup buttermilk
  • 1 tsp baking soda
  • 2 eggs beaten
  • 2 tsp vanilla extract

Old Fashioned Coca Cola Frosting

  • 1/2 cup butter
  • 3 tbsp unsweetened cocoa powder
  • 6 tbsp Coca-Cola
  • 1 box of powdered sugar
  • 2 tsp vanilla
  • 1 cup pecans toasted


  • Preheat oven to 350 degrees
  • Line a 9 x 13 cake pan with parchment paper, set aside
  • Sift flour and granulated sugar together, stir in marshmallows and set aside
  • In a medium saucepan over medium heat, bring to a boil: butter, cocoa, and cola, stirring occasionally
  • Remove from heat and let cool for 5 minutes. Pour over dry mixture, whisk until combined
  • Whisk in buttermilk, baking soda, beaten eggs, and vanilla extract
  • Pour into 9 x 13 cake pan and bake at 350 degrees for 30 minutes. Or until cake tester comes out clean and cake bounces back when lightly pressed.
  • Remove from oven and let cool on wire rack in cake pan for 30 minutes before adding frosting

Old Fashioned Coca Cola Frosting

  • In large bowl, sift powdered sugar. Set aside
  • In a medium sauce pan, bring butter, cocoa, and cola to a boil. When smooth, remove from from heat and add to powdered sugar.
  • Add vanilla extract, whisk until smooth
  • Pour frosting over warm cake, top with tosted pecans if desired


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Calories: 600kcal