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Rainbow Clown Cake

Rated as 4.82 out of 5 Stars

"I went a little overboard creating a fun confetti-ish cake for a student teacher and deemed the result 'Clown Vomit Cake.' Despite its nickname, it's a popular request now with my colleagues! Frost with your favorite frosting and top with colored sugar."
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1 h servings 309
Original recipe yields 8 servings (1 8-inch layer cake)


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  1. Preheat an oven to 350 degrees F (175 degrees C). Grease and flour two 8-inch round cake pans.
  2. Beat the egg whites with an electric mixer until frothy, about 1 minute. Add the cake mix, water, and canola oil; continue beating for 2 minutes on medium speed.
  3. Divide the cake batter into six separate bowls. Use a toothpick to scoop a dab of food coloring into one bowl of batter and stir; add more food coloring, if necessary, to reach the desired shade. Repeat with the remaining colors and bowls of batter.
  4. Scoop spoonfuls of batter into the prepared pans, alternating the colors. Use a toothpick to gently swirl the colors for a marbled effect.
  5. Bake in the preheated oven until a toothpick inserted into the cake comes clean, about 30-35 minutes. Cool in the pans for 10 minutes before removing to cool completely on a wire rack.


  • Editor's Note:
  • Food coloring gels and pastes are more concentrated than liquid food colorings and are necessary for this cake. They are available at craft stores and specialty kitchenware stores.

Nutrition Facts

Per Serving: 309 calories; 10.5 49.9 4.2 0 446 Full nutrition

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Read all reviews 225
  1. 289 Ratings

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Most helpful positive review

Made into cupcakes. I also did not swirl the colors at all. I wanted a very straight, uniform "rainbow" type effect. This was VERY NEAT looking. I also used the regualr liquid food coloring, not...

Most helpful critical review

Okay... I had a major issue with this cake.... The colors were wonderful and the marbled effect was really neat, but the second it was finished this funny smell washed over the room. My 4 year o...

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Made into cupcakes. I also did not swirl the colors at all. I wanted a very straight, uniform "rainbow" type effect. This was VERY NEAT looking. I also used the regualr liquid food coloring, not...

I'm the recipe submitter (and I, obviously, love this cake!). If you have a favorite from scratch cake recipe, that works well, too! I no longer use the toothpick test; I prefer to gently pres...

Made this back when she shared it on the Recipe Exchange. My kids flipped for it and we had a blast making it together. This is also good to use with a homemade white cake, if you'd rather not u...

I first saw the "Clown Vomit Cake" mentioned in a blog, and HAD to try it, just for the name. i used a homemade pound cake, colored the batter with gel food coloring (about 7 different colors,)...

Made these for easter! I bought neon and regular gel food coloring because it was all I could find and the colors turned out amazing! We used pink, green, blue, orange, yellow and purple for the...

My niece and I made these for her 7th birthday. We had a lot of fun mixing the bright colors. We layered the colored cake batter into muffin pans to make cupcakes and did not swirl the batter. T...

Loved this cake! Great party cake....made this to bring to a family gathering last night and everyone was "amazed" when I cut and served this cake.....I used green, blue, yellow, pink and oran...

Awesome! I chose not to swirl my colors, as I wanted a more layered look than swirled one and was super happy with how they turned out. Super cute. Frosted with Butter Cream Frosting II for a yu...

I made these into cupcakes - they were so fun to make and eat! It made a beautiful tie-dye effect - I think next time I may try it in 2 round pans, and layer each color like the rainbow instead ...