How to Make It
Pulse one head of chopped cauliflower into chunks in a food processor until it looks like grain. Microwave the cauliflower for 8 minutes.
In a medium bowl, stir together 1 cup riced cauliflower, 1 1/2 cups mozzarella, oregano, garlic salt, garlic, and egg. Spray a cookie sheet with cooking spray. Pat mixture out into a 9-inch circle. Brush with olive oil. Bake the crust at 450° for 15 minutes.
Top the pizza with 1 1/2 cups mozzarella, olives, artichokes, and sun-dried tomatoes. Broil 3-4 minutes or until cheese melts.