Ingredients
12 oz penne pasta
1 lb Italian sausage (mild or spicy)
1 small onion, diced
3 garlic cloves, minced
1 can (28 oz) crushed tomatoes
1 tsp Italian seasoning
1/4 tsp red pepper flakes (optional)
2 tbsp olive oil
Salt and pepper, to taste
Fresh parsley, chopped, for garnish
Grated Parmesan cheese, for serving
