6 Layer Rainbow Birthday Cake With Buttercream Frosting

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0sharesI love love love cake. Good cake. Moist delicious cake. Do not give me grocery store cake. Just don't. I don't want it. yuck.
I am somewhat of a cake snob I guess. Not completely. I have been known to use a box cake mix here and there. I doctor mine to be moist and delicious (hey - that's another post you'll have to wait), but they are still out of a box.
But truly I would rather have scratch. And I really don't mind making them from scratch (I'm not joking), but I don't decorate. That part agitates me. I could care less what my cake ends up looking like and really it is just sheer laziness. Half way through frosting the cake I am usually yelling at it. I call it dirty names, slap some more buttercream frosting on it and finish it.
Anyway, you're here for a recipe right? Let's get to it.
I made this rainbow cake for my son's 3rd birthday. He said he liked rainbows I said sounds good and this is what happened. The cake was as tall as him. And it was delicious. and did I say it was yummy? Cause it was. I have used the same cake recipe for a few cakes. It's really good. It's a yellow, bu

t I didn't have too many problems coloring it into the rainbow. But if you're looking for a pure white recipe, you'll have to stay tuned (cause that's another post!)
From an earlier version of the Better Homes and Gardens cookbook, but a very similar (although the measurements are slightly different) http://www.bhg.com/recipe/cakes/yellow-cake/

Rainbow Birthday Cake

Ingredients

2 3/4 cups all-purpose flour
2 1/2 teaspoons baking powder
1/2 cup butter*
1 3/4 cups sugar
1 1/2 teaspoons vanilla
2 eggs
1 1/4 cups of milk
*The recipe actually says butter or margarine but gross. Please use butter. Yes it has fat, but it's got to be someone's birthday right? And calories don't count on birthdays!

Instructions

Grease and lightly flour two 8x1-1/2-inch or 9x1-1/2-inch round baking pans or grease one 13x9x2-inch baking pan; set pan(s) aside. Combine flour, baking powder, and salt; set aside.
In a large mixing bowl beat butter with an electric mixer on medium to high speed for 30 seconds. Add sugar and vanilla; beat until well combined. Add eggs, one at a time, beating 1 minute after each. Add dry mixture and milk alternately to beaten mixture, beating on low speed after each addition just till combined. Pour batter into the prepared pan(s).
Bake in a 375 degree F oven for 30 to 35 minutes or until a wooden toothpick comes out clean. Cool layer cakes in pans on wire racks for 10 minutes. Remove layer cakes from pans. Cool thoroughly on racks. Or, place 13x9-inch cake in pan on a wire rack; cool thoroughly. Frost with desired frosting. Makes 12 servings.
If you want a 6 layer cake in rainbow colors you'll need to triple the above! and once mixed divide into bowls to add food coloring. They do come out a little "brown" for lack of better words. I was really worried about the color, but once we sliced into it? HEAVEN. Taste and looks.

WAIT we must frost this thing right? If you are doing the 6 layer thing 8-9 inch pans, you should times this recipe by 2 at least . If you are making a regular cake (2 layer 8-9 inch pans or 1 9 x 13) you should be fine!
From Allrecipes:

Buttercream Frosting

Butter Cream Frosting

Ingredients

1 cup shortening
1 cup butter, softened
2 teaspoons vanilla extract (they make clear vanilla if you need your frosting white)
8 cups confectioners' (powdered) sugar
4 tablespoons milk

Instructions

In a large bowl, cream together the butter, shortening, and vanilla. Blend in the sugar, one cup at a time, beating well after each addition. Beat in the milk, and continue mixing until light and fluffy. Keep icing covered until ready to decorate.

Enjoy! I know he did.
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