-Prepare three small cookie sheets by spraying them with PAM Spray.
-Using a medium bowl, whisk flour, baking powder, salt, and baking soda.
-In a separate large mixing bowl, beat the butter with an electric mixer on medium to high for 30 seconds.
-Add sugar and vanilla extract to the butter and beat until combined.
-Add egg whites, and then eggs one at a time, beating well after each addition.
-Alternate adding the flour mixture and buttermilk to the butter mixture, beating on low speed until everything is mixed together. Divide the cake batter into three bowls.
- Bowl #1... add several drops of red gel food coloring... Stir until the red coloring is well blended.
-Bowl #2... add several drop of blue gel food coloring... Stir until the blue coloring is well blended.
-Bowl #3... this bowl remains the original white.
-Pour each batter onto a separate cookie sheet.
-Bake at 350 degrees for 10-15 minutes. Check to make sure the cake batter is thoroughly baked.
- Allow the three cakes to cool in the in the cookie sheet until cool completely .
-Using the star cookie cutter begin cutting stars in each of the three colors. Make sure that each cake color has the same number of stars.
-Using a small frosting tip make a hole in the white and blue stars. Try to make the hole in the same spot in each star.
-Make a stack of stars starting the red on the bottom then stack the white star the blue on top. If they don't stay together use a tiny amount of frosting to hold them together.
Frosting Directions:
-Mix soften butter in mixing bowl.
-Add powdered sugar ½ C at a time.
-Mix until the ingredients form small pebbles
-Add 1 tablespoon of heavy whipping cream if frosting is not creaming.
-Mix until it form peaks.
-If it doesn't form peaks add ½ C more powdered sugar and mix well... until you can take a spoonful of the frosting turning the spoon upside down and the frosting stays on the spoon.
-Spoon the frosting into a pastry bag with a medium size tip....
-Fill the hole in the middle of the white and blue cake stars with ⅓-1/2 pack of Pop Rocks.
- Top it off with a dollop of white frosting on top.