Instructables
I had a craving for cake, so I decided to try my hand at a rainbow shamrock cake! 



For the cake:

1/2 cup (1 stick) butter

1 3/4 cup sugar

3 cups sifted all purpose flour
 
4 teaspoons baking powder

1/4 teaspoons salt

1 cup milk

5 eggs (separated)

Food coloring



For the frosting:

1/3 cup softened butter

1/4 teaspoon salt

1 teaspoon vanilla extract (or whatever)

1 pound (about 3 1/2 cups) sifted confectioners sugar

2 egg whites (unbeaten)

1 Tablespoon milk (about)

food coloring

Step 1: Mixing the batter

Preheat oven to 350 degees.

Grease and lightly flour two 8 inch pans.

Cream butter and sugar well.  Add dry ingredients, sifted together, alternating with milk and egg yolks, beginning with dry and ending with dry.

Beat the egg white until they hold stiff peaks and fold them into batter.  (This step isn't completely necessary as when I added the food coloring I flattened all that fluffy goodness.  I suppose you could separate the batter, then color it and add an equal amount of egg whites, but I went another way as you shall see)


Step 2: Coloring the batter

I wanted to have as few dishes as possible, so used this method to color and distribute the batter.  Alternatively you could just use various bowls.

Find a glass or container that will fit a ziplock sandwich bag.  Flip the rim outward.  Separate the batter equally,  about 1/2 to 1 cup should work.  Add food coloring, close, and knead to mix.

Again, this takes away from the lightness of the cake, but doesn't bother the flavor one bit.

Do this however many times and colors you desire.  I fudged on the purple so had only 5 instead of six.  For yellow, I just left the batter alone, using only 4 bags for the color.
 
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It looks very nice.
Congratulations! And 4 leafs means more to enjoy :)
kmac1 (author)  barefootbohemian2 years ago
Thanks! And true, very lucky for the cake eaters.
definitey! I'll lake that 4th leaf for anyone who doesn't think it belong there, it looks just as delicious s the other 3!
scoochmaroo2 years ago
Awesome!
kmac1 (author)  scoochmaroo2 years ago
Thanks
daveda2 years ago
A real Shamrock only has 3 leaves, not 4.
So what you have is a four leaf clover cake.
kmac1 (author)  daveda2 years ago
Thank you.
The powdered sugar topping is so pretty. Both of them sound delicious - great job. :D
kmac1 (author)  jessyratfink2 years ago
Thanks!