Preheat oven to 450 degrees F. Remove stems and leaves from the cauliflower, and chop into small pieces. Place chopped cauliflower in a food processor, pulse until grain-like, then transfer to a microwave-safe bowl. Microwave on high for about 8 minutes. When done, mix in half of the beaten egg, 1/2 c of mozzarella, oregano, garlic, and garlic salt.