Want to impress your friends and family? Try making this spectacular Rainbow Cake!
I have been wanting to try making a rainbow cake every since I saw the ones at The Idea Room and I Am Baker, but haven’t had the right impetus to get me going until Walmart challenged me to make something special for St. Patrick’s Day~this cake was the first thing that popped into my mind!
Now a Rainbow cake is more of a technique than an recipe-and although the results are stunning (if I do say so myself-and I do). . . it’s actually very easy to make.
How to Make
a Rainbow Layer Cake
2 boxes of White (not yellow!) cake mix (I got Pillsbury at my local Walmart)
3-4 cans of white frosting (Pillsbury at Walmart again. Yeah, I know it’s a lot-it’s a big cake)
All the eggs, oil & water necessary to make the cake mix
Food coloring (Wilton Gel food coloring is the best if your Walmart carries it)
Two 9″ round cakepans
6 bowls or containers
Oil & Flour
2. Oil & flour your two pans.
3. Mix up the two white cakes in your electric mixer using the directions on the box.
4. Divide the cake mix evenly into 6 containers or bowls. For me that was about 1 1/3 cups of batter in each bowl.
5. Using your food coloring, dye each bowl a different color. I just added a bit of food coloring & mixed it in by hand with a teaspoon. Remember “Roy G. Biv”. . . Red, Orange, yellow, Green, Blue, Indigo/Violet (I counted those together as purple folks).
Hint: Red + Yellow=Orange, Blue + Yellow=Green, & Blue + Red=Purple
6. Bake your layers. Since I had only two pans I baked the first two colors for 15 minutes (remember-they are much thinner so they bake faster). Then I washed the pans, dried them, re-oiled and floured, baked the second two colors. . . and again until all 6 were baked.
7. Carefully layer the cake in order (remember-Roy G Biv) with a thin layer of frosting between each color.
8. Do a thin crumb coat over the entire cake, refrigerate till that’s hard, then put your final layer of frosting on.
I wanted a “cloud” look to my cake, so I made little peaks all over it with my spatula-just sort of “dabbed” at the cake all over:
Carefully cut your slices & serve to the amazement of all!
Does that all seem like too much work to you? Well you could go the more expedient and less frosting-ful (although not quite as visually stunning) route of a marbled rainbow cake like Omnomicon. The marble technique would also work well for school cupcakes.
Disclosure: This post is part of a campaign I am participating in with the Walmart Moms. Walmart has provided me with compensation and product for this post. My participation is voluntary and opinions, as always are my own. See what my fellow Walmart Moms come up with!
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