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Home » Blog » Recipes » Desserts » Chocolate Rainbow Cake
RecipesDessertsDairy FreePareve

Chocolate Rainbow Cake

Avatar photoTamar Genger MA, RD • Sep 30, 2013 (Updated: Aug 20, 2019)
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chocolate rainbow cake

CHOCOLATE RAINBOW CAKE

It is time for Parshat Noach and we needed a new rainbow cake, one for those of us not into making 7 layers of different colored cakes (too much work for me). Plus I prefer a simple chocolate bundt cake. Then all I had to do was decorate with all my colorful Mike and Ike’s and for fun I added some rice krispie treats for extra effect. You can make this any time and you can even make one pretty and give the other half to the kids to make their own.

chocolate rainbow cake

Chocolate Rainbow Cake

Prep Time 25 minutes mins
Cook Time 1 hour hr
Total Time 1 hour hr 25 minutes mins
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Servings

12 Servings

Ingredients

  • Vegetable oil spray
  • 2 ounces bittersweet chocolate chopped
  • 3/4 cup coconut oil
  • 1 cup sugar
  • 1 large egg
  • 2 cups all-purpose or white whole wheat flour
  • 1/2 cup Dutch-process cocoa powder
  • 1 tablespoon baking soda
  • 3/4 teaspoon salt
  • 1 cup strong-brewed coffee
  • 1 cup coconut milk mixed with 1 tablespoon lemon juice
  • 1 cup coconut milk
  • 1/4 cup confectioners’ sugar
  • Dash salt
  • 1/2 pound bittersweet chocolate roughly chopped
  • Mike and Ike’s (all the colors as needed to make a rainbow

Instructions

  • Preheat the oven to 350°. Spray a 12-cup Bundt pan with vegetable oil spray. In a small saucepan, melt 2 ounces of the chopped chocolate over low heat, stirring constantly. Scrape the chocolate into a medium bowl and let cool slightly. Whisk in the oil and sugar until smooth, then whisk in the egg.
  • In a small bowl, whisk the flour, cocoa powder, baking soda and salt. Add half of the dry ingredients to the chocolate mixture along with 1/2 cup of the coffee and 1/2 cup of the coconut milk mixture; whisk until smooth. Add the remaining dry ingredients, coffee and buttermilk and whisk until smooth.
  • Pour the batter into the prepared pan and bake in the lower third of the oven for about 45 minutes, or until a toothpick inserted in the center of the cake comes out with a few moist crumbs attached. Let the cake cool on a rack for 10 minutes, then turn it out and let cool completely.
  • Ganache Frosting
  • In a large saucepan, bring 1 cup coconut milk, 1/4 cup confectioners’ sugar, and dash salt to a boil. Remove from heat; add 1/2 pound bittersweet chocolate, roughly chopped, and let stand, without stirring, for 1 minute. Whisk just until combined. Refrigerate, stirring occasionally, until spreadable, about 1 hour.
  • Once cake has cooled and ganache is ready you can decorate your cake.  First cut your cake in half.  You can make two rainbow cakes or leave one just covered with ganache.  For the rainbow cake, spread the ganache all over the cake with a knife or spreader, then carefully place Mike and Ike candies to make a rainbow.  If desired you can put rice krispy treats on the bottom to look like clouds.
Category: RecipesDesserts
Diets: Dairy FreePareve
Styles: Kid-Friendly
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About Tamar Genger MA, RD

Tamar is the Executive Editor of JamieGeller.com.  She is the mother of three amazing children, a registered dietitian, nutrition educator, and major foodie!!  Always on the search for the best of everything and often found in the kitchen cooking up new healthy foods, Tamar loves to travel with her family and visits kosher restaurants wherever she goes. Although she loves the sights, she spends more time talking about the restaurants and food she ate! As a mom and a nutritionist, Tamar tries to balance her passion for healthy cooking with her insatiable desire for chocolate!Tamar is the mastermind behind Fresh Families, Jamie Geller’s healthy, family-friendly meal plan. 

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Comments

  1. steve

    Nov 14, 2013 at 9:17 pm

    Looks as great as it tastes.

    Reply
  2. Tamar Genger MA, RD

    Oct 4, 2013 at 4:02 am

    LOL, I never attempted it, but I tasted one and also was not a big fan. Enjoy.

    Reply
  3. esti

    Oct 3, 2013 at 7:00 pm

    thank you so much for this cute idea! i made the layered rainbow cake last year. it looks nice but it was a lot of work and truthfully it tasted awful. thanks for this alternative!

    Reply
  4. Selary

    Oct 3, 2013 at 6:04 pm

    This is so pretty and so much easier then the layered rainbow cake idea.

    Reply
  5. Tamar Genger MA, RD

    Oct 3, 2013 at 5:58 pm

    Oh, thanks, I will fix. I used the coconut milk mixed with lemon as my buttermilk sub and it worked great.

    Reply
  6. Tamar Genger MA, RD

    Oct 3, 2013 at 5:57 pm

    I agree, I was going to use white whole wheat flour for the cake, but we were bringing it to someone else’s house, so I just went with white. It is a splurge, but a small piece is plenty.

    Reply
  7. Malka 770

    Oct 3, 2013 at 4:18 pm

    so cute!!! But it’s hard to balance out trying to bake whole grain/sugar free/fat free…and landing one of these on my Shabbos table…might do it anyway……..

    Reply
  8. jdh1

    Oct 3, 2013 at 5:41 am

    The recipe says buttermilk in the directions but coconut milk in the ingredients. Just want to make sure I can use the coconut milk throughout for the parve version. Thank!

    Reply
  9. Dvora Rotter

    Sep 30, 2013 at 10:55 pm

    Cute cake, Tamar! I especially love the crispy rice treat clouds – what a cute touch!

    Reply

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