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White Chocolate Ganache

  • Author: Cookies & Cups
  • Prep Time: 20 min
  • Total Time: 30 min
  • Yield: 1 batch 1x
  • Category: Dessert
  • Cuisine: American


Rainbow Ganache Cake is a fun and festive, but super simple, cake recipe. White chocolate ganache is delicious and so easy to dye with vibrant colors! This rainbow cake is the best dessert to celebrate a birthday with or bring to any party!


  • 4 oz white chocolate, chopped finely
  • 1/4 cup heavy cream
  • 3 Tbsp light corn syrup
  • candy coloring


  1. Chop your white chocolate and place it in a medium sized bowl.
  2. Heat heavy cream in microwave about 1 minute until it’s very hot.
  3. Pour the heavy cream over the white chocolate and let it sit until the chocolate melts, stirring often.
  4. If the white chocolate doesn’t fully melt microwave for an additional 20 seconds until melted.
  5. Add in corn syrup and stir until incorporated.
  6. Place mixture in the refrigerator for approximately 10 minutes until cooled.
  7. When chilled, separate into bowls and add color to each.
  8. Pour over top of the cake, pushing to edge allowing ganache to drip down over the side of the cake.


  • Serving Size: 1 piece of cake
  • Calories: 100
  • Sugar: 11.9 g
  • Sodium: 15.9 mg
  • Fat: 5.8 g
  • Carbohydrates: 11.9 g
  • Protein: 0.8 g
  • Cholesterol: 9.1 mg

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