Spicy Sausage Broccoli Rabe Parmesan

Ingredients

• ✓ 8 ounces whole wheat rotini pasta
• ✓ 3 bunches broccoli rabe, trimmed
• ✓ 4 (4 ounce) links hot Italian sausage, cut into 1 inch pieces
• ✓ 1 tablespoon sausage drippings
• ✓ 2 garlic cloves, chopped
• ✓ 1 (14.5 ounce) can diced tomatoes
• ✓ salt and ground black pepper to taste
• ✓ ½ cup grated Parmesan cheese
• ✓ ¼ teaspoon crushed red pepper flakes
• ✓ 1 teaspoon olive oil, or to taste