Microwave Green Giant Riced® Cauliflower according to package directions. Drain cooked cauliflower in a colander, pressing out as much moisture as possible with paper towels. Stir in egg and cheeses.
Spray baking sheet with nonstick cooking spray. Press cauliflower mixture into an 11-inch circle.
Bake 25 minutes or until edges are brown and crust is crisp.
Top with desired pizza toppings. Bake 8 to 10 minutes.
