Caprese Pizza with Cauliflower Crust

head cauliflower (or 2½ cups coarsely grated cauliflower)

garlic clove, grated

salt and pepper

part skim mozzarella, grated

large egg, lightly beaten

dried basil leaves

dried oregano

basil pesto

fresh mozzarella, cut into ½ inch pieces

roma tomates, chopped

fresh basil, chopped