01 -
1 pound Italian sausage.
02 -
1 medium onion, diced.
03 -
3 cloves garlic, minced.
04 -
1 pound penne pasta.
05 -
4 cups chicken broth.
06 -
1 can (14.5 oz) diced tomatoes.
07 -
2 cups shredded mozzarella cheese.
08 -
½ cup grated Parmesan cheese.
09 -
1 teaspoon dried Italian herbs.
10 -
Salt and pepper to taste.
11 -
2 cups fresh spinach (optional).
12 -
1 cup cherry tomatoes (optional).