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+ servings
Box Mix Orange Chocolate Cake—Incredibly moist and super simple. Only 5 Ingredients.
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5 from 2 votes

Box Mix Orange Chocolate Cake

Chocolate Cake box mix combined with bright oranges makes this a dessert that you won't soon forget.
Prep Time10 mins
Cook Time25 mins
Total Time35 mins
Course: Dessert
Cuisine: American
Servings: 8 slices
Calories: 319kcal


For the Cake

  • 1 15.25 ounce chocolate cake box mix* such as Betty Crocker
  • 1 tablespoon orange zest about 1 orange
  • 1/4 cup orange juice fresh or carton
  • 1 cup water
  • 1/3 cup oil
  • 3 eggs room temperature
  • orange slices optional decoration

For the Ganache

  • 1 1/2 cup chopped chocolate or chips
  • 1 cup heavy cream
  • 1 tablespoon orange juice
  • 1 teaspoon orange zest optional for a stronger orange flavor


Make the cake

  • Preheat your oven to the temperature called for on the box, usually 350˚F.
  • Grease a 9x13 pan or grease and line with parchment paper two 8 inch round pans.
  • Zest and juice 1 large orange.
  • Combine cake mix, oil, water, eggs, orange juice, and zest (reserving 1 teaspoon for ganache if desired).
  • Beat on high (or whisk) for 2 minutes.
  • Pour cake in greased pans and bake for 25-30 minutes or until a toothpick comes out clean. While cake is baking, make the ganache.


  • In a microwave safe bowl or measuring cup combine chocolate, heavy cream, orange juice and zest (use zest if you want the cake to have a stronger orange flavor).
  • Microwave for 30 seconds at a time and stir, continuing until smooth. Set aside.
  • Once the cake comes out of the oven allow to cool for 5 minutes and then flip onto a cooling rack. Skip this step if using a 9x13 pan.
  • After the cake has cooled (it can still be warm if you cannot wait, like me) pour ganache over the top and spread evenly.
  • If making a layer cake, pour 1/3 of it in between the layers and reserve the rest for the top and sides.
  • Top with orange slices and dig in.


*Many box mixes are different in volume and therefore have slightly different measurements of water/oil/eggs to add. This can be made with any ounce cake mix you have. Simply replace 1/4 cup of water with orange juice and make per their instructions.


Calories: 319kcal | Carbohydrates: 16g | Protein: 3g | Fat: 28g | Saturated Fat: 13g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 101mg | Sodium: 41mg | Potassium: 73mg | Fiber: 1g | Sugar: 14g | Vitamin A: 550IU | Vitamin C: 6mg | Calcium: 33mg | Iron: 1mg