A delightful twist on a classic dish.
1 pound Italian sausage (mild or spicy)
1 medium onion, diced
3 cloves garlic, minced
1 bell pepper (red or green), diced
1 can (28 ounces) crushed tomatoes
4 cups chicken or vegetable broth
1 tablespoon Italian seasoning
½ teaspoon crushed red pepper flakes (optional)
8 ounces uncooked small pasta (like penne or fusilli)
2 cups fresh spinach or chopped kale
1 cup ricotta cheese
1 cup shredded mozzarella cheese
½ cup grated Parmesan cheese
Salt and pepper to taste
Fresh basil leaves for garnish (optional)