Giant Pizza Cookie

Directions

1. 1
   ["OPTIONAL CANDY TOPPINGS: red licorice wheels or red fruit leather, black licorice, square piece bubble gum, green and/or purple taffy candy, pink bubble tape.", "Press sugar cookie dough into a round cookie pan.", "Bake according to package or recipe instructions.", "Remove from oven, allow to cool at least 2 hours. You can remove from the pan or leave it inside.", "Make royal icing according to box or recipe instructions.", "Divide about half of the icing into two other bowls, one with slightly more than the other.", "Color the remaining icing yellow (gel icing colors work best because they don't alter the consistency of the icing).", "Color the smallest portion of icing red and the last bowl a tan crust-like color (we used a little copper and a little brown to achieve this look).", "Fill an icing bag affixed with a large round tip (like #2A) with the yellow icing. Pipe a large circle onto cookie representing where you'll want your \"cheese\"" layer to go out to (leave about 1 1/2 inches for the sauce and crust). Immediately fill this circle in with the rest of the yellow icing