1 pound lean ground beef (or half Italian sausage) 1 yellow onion, diced 4-5 garlic cloves, minced 1/4 – 1/2 teaspoon red pepper flakes 1 (24 oz.) jar Traditional Italian Sauce 8-10 cups low-sodium chicken broth, divided 1 (14 oz.) can crushed tomatoes 2 tablespoons tomato paste 2 teaspoons balsamic[…]