Go buy a Red Velvet cake mix and a can of cream cheese frosting. Follow the directions on the box and bake the cake in a Bundt pan. Invert baked cake and cool completely!
Mix up your favorite cream cheese frosting, or pop open a can of ready made. (No judgement here!). Separate the frosting; leave half of the frosting white for the filling and put a few drops of blue food coloring in the other half. Mix well.
Split cake in half with a large bread knife. Spread bottom half of the cake with white frosting. Replace the top. Spoon blue frosting over the top and sprinkle with red, white and blue sprinkles. There! You now have a great-looking dessert for after the fireworks! Enjoy!