The most extraordinary patriotic Fireworks Sugar Cookie Cake made by preheating oven to 350°F greasing 12-inch round pan or 9×13 pan with parchment whisking 2 1/2 cups flour 1 tsp baking powder and 1/4 tsp salt beating 1 cup softened butter and 1 cup sugar medium-high 2 to 3 minutes light and fluffy adding 1 room temperature egg 1 tsp vanilla and optional 1/2 tsp almond extract mixing well gradually adding flour mixture on low just until soft dough forms pressing evenly into pan with dampened hands approximately 1/2 inch thick baking 18 to 20 minutes until edges set and lightly golden and center slightly soft do not overbake cooling completely beating 8 oz room temperature cream cheese and 1/2 cup room temperature butter smooth adding 3 to 4 cups sifted powdered sugar and vanilla beating fluffy dividing into three portions tinting one red and one blue applying white as base dolloping red and blue in fireworks starburst pattern scattering star sprinkles patriotic jimmies and optional Pop Rocks. A completely perfect patriotic 4th of July giant sugar cookie cake recipe.