Cheesy Pizza Casserole Recipe - Have A Plant

Ingredients

• 2 medium heads cauliflower, cleaned and cut into florets (about 5 cups)*
• 4 tablespoons olive oil, divided
• Pinch coarse salt and ground black pepper
• 1 medium yellow onion, finely diced
• 1-pound ground beef or Italian sausage
• 4 cloves garlic, peeled and minced
• 1 ½ tablespoons dried basil leaves
• 1 tablespoon dried oregano leaves
• 2 teaspoons dried fennel seeds (optional)
• 2 (28-ounce) cans whole San Marzano tomatoes, thoroughly drained
• 2 tablespoons tomato paste
• 1 teaspoon coarse salt
• ½ teaspoon ground black pepper
• ½ teaspoon granulated sugar
• 2 tablespoons heavy cream or half and half
• 2 ½ cups shredded mozzarella cheese
• 1 cup pepperoni slices
• ½ cup freshly grated Parmesan cheese, for garnish
• ¼ cup chopped fresh Italian flat-leaf parsley and basil, for garnish
• Pinch crushed red pepper flakes, for garnish