INGREDIENTS
1 tbsp
extra-virgin olive oil
1
large onion, diced
3 cloves
garlic, minced
3 tbsp
tomato paste
1 tsp
crushed red pepper flakes
1 15 ounce can
diced or crushed tomatoes
6 cups
low-sodium chicken broth
8 oz
penne
12 oz
breaded chicken (cooked and cut into 1" pieces) or cooked boneless skinless chicken breasts (cubed)
1 1/2 cups
shredded mozzarella
1 cup
freshly grated Parmesan, plus more for garnish
1 tbsp
freshly chopped parsley, plus more for garnish
kosher salt
Freshly ground black pepper