Preheat oven to 350 degrees. Line a muffin pan with paper liners and place to the side.

In a large bowl combine the flour, sugar, baking powder, and salt. Add the butter, sour cream, egg, yolks, and vanilla and beat until smooth. Stir in the cotton candy until evenly distributed -do not over mix.

Get 3-4 small bowls scoop equal amount of cake mix in each bowl. Add 1 drop of food coloring to each bowl mixing until you get the desired color of choice. Using a large spoon add a scoop of cake mix from each color filling the cupcake holder. Do not over fill.

Bake for 18 to 22 minutes, until a toothpick inserted in the center comes out clean.

Transfer to a wire cooling rack and allow to cool completely before frosting.

Get 3-4 small bowls fill with equal parts icing. Add food coloring to each of color of choice. Mix until completely blended to the color of choice.

Use a pastry bag and a LARGE Star tip: fill the pastry bag with scoops from each color of icing using your hand start at one spot on the cupcake ago around the edge with icing continue the motion building a cone shape and covering the whole cupcake.

Now place a small piece of cotton candy on top for decoration!