Nonstick spray
2 1/2 cups cauliflower, grated (about 1/2 a large head)
1 large egg, lightly beaten
1 1/4 cups shredded part-skim mozzarella cheese
2 tablespoons grated parmesan cheese
Kosher salt and freshly ground black pepper
1/4 cup tomato sauce
1 cup grape tomatoes, sliced in half
2 cloves garlic, sliced
1/4 teaspoon crushed red pepper flakes
Fresh basil leaves, optional