Rainbow cupcakes

Ingredients

• 1 red food coloring
• 1 orange food coloring
• 1 yellow food coloring
• 1 green food coloring
• 1 blue food coloring
• 1 purple food coloring
• 6 spray bottles
• 1 air bursh
• 1 cup white sugar
• 1/2 cup butter
• 2 eggs
• 2 teaspoons vanilla extract
• 1 1/2 cups all-purpose flour
• 1 3/4 teaspoons baking powder
• 1/2 cup milk
• 4 ounces butter
• 1 1/2 cups icing sugar
• 2 tablespoons milk

Directions 

1. Preheat oven to 350 degrees F (175 degrees C).
2. Grease and flour a 9x9 inch pan or line a muffin pan with paper liners.
3. In a medium bowl, cream together the sugar and butter. Beat in the eggs, one at a time, then stir in the vanilla. Combine flour and baking powder, add to the creamed mixture and mix well. Finally stir in the milk until batter is smooth. Pour or spoon batter into the prepared pan.
4. Bake for 30 to 40 minutes in the preheated oven. For cupcakes, bake 20 to 25 minutes. Cake is done when it springs back to the touch.
5. For frosting, have butter and milk at room temperature.
6. Place butter in small bowl of electric mixer and beat until butter is as white as possible.
7. Gradually add about half the sifted icing sugar, beating constantly.
8. Beat in the remaining icing sugar.
9. Mixture should be smooth and easy to spread with a spatula. Add extra milk or icing sugar until cupcake frosting is of a spreadable consistency.
10. In order to make the rainbow of colors you see in the picture for this recipe, you're going to need one of two things. Either an air brush that dispenses food safe coloring or 6 small refillable spray bottles that you can fill with food coloring. I personally use the air brush at the commercial bakery that I used to work at. I got a lot of comments asking for the recipe but the truth is, it is a simple white cake with butter cream frosting. The only magical part is the coloring!