Tomato Pesto Tart with Cauliflower Crust

Name: Tomato Pesto Tart with Cauliflower Crust
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: American
Ingredients: 12 oz clean cauliflower florets; 1 cup shredded mozzarella cheese; 1 large egg (beaten); 1 tsp oregano; 3/4 tsp minced fresh garlic; 1/4 tsp turmeric; 1/4 tsp salt; 1/8 tsp cayenne pepper; 1/4 cup basil pesto (recipe in notes); 1/2 cup crumbled goat cheese; 2 ripe tomatoes; A few sprigs fresh basil; 1/4 tsp crushed red pepper flakes, or more to taste (optional)