Chocolate Coconut Cake Recipe

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Patsy Published: December 30, 2020 Modified: June 1, 2021
Chocolate Coconut Cake Recipe

How To Make Chocolate Coconut Cake

Enjoy a luscious chocolate coconut cake made with rich chocolate and a creamy coconut marshmallow sauce. Whip up this decadent treat in under one hour!

Preparation: 20 minutes
Cooking: 30 minutes
Total: 50 minutes



For Chocolate Cake:

  • 1boxdevil’s food cake mix
  • oil
  • eggs
  • water
  • cooking spray

For Coconut Sauce:

  • ¾cupmilk
  • ¾cupgranulated sugar
  • 15large marshmallows
  • 3cupssweetened coconut,flaked
  • ¾tspcornstarch

For Chocolate Frosting:

  • 3tbspbutter
  • 6tbspgranulated sugar
  • tbspcocoa powder,sifted
  • tbspmilk
  • cupspowdered sugar
  • 1tspvanilla extract
  • ½cupchocolate sprinkles



  1. Coat a 9×13-inch pan with cooking spray.

  2. Prepare the cake mix as directed on the box, then bake according to package instructions. Cool completely in the pan.

Coconut Sauce:

  1. Combine the milk, sugar and marshmallows in a medium saucepan.

  2. Cook over medium heat for 5 minutes or until the marshmallows are melted.

  3. Stir in coconut and cornstarch, bring to a boil. Cook for 1 minute, stirring constantly.

  4. Remove from heat, then pour the coconut sauce over the cake while it’s still warm. Let cool completely.


  1. Melt the butter in a small, heavy saucepan over low heat.

  2. Add the granulated sugar, milk and cocoa powder, then cook for 2 to 3 minutes or until mixture is thoroughly combined.

  3. Remove from heat, then cool slightly. Stir in the powdered sugar and vanilla.

  4. Pour the frosting over the cooled cake. Add the sprinkles on top while the frosting is still warm.

  5. Serve, and enjoy!


  • Calories: 575.07kcal
  • Fat: 21.11g
  • Saturated Fat: 10.01g
  • Trans Fat: 0.12g
  • Monounsaturated Fat: 6.43g
  • Polyunsaturated Fat: 3.49g
  • Carbohydrates: 98.90g
  • Fiber: 3.61g
  • Sugar: 77.06g
  • Protein: 4.54g
  • Cholesterol: 9.72mg
  • Sodium: 385.09mg
  • Calcium: 96.23mg
  • Potassium: 276.70mg
  • Iron: 2.79mg
  • Vitamin A: 34.32µg
  • Vitamin C: 0.66mg
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