Slow Cooker Ravioli Casserole
Ingredients: 1 lb (450 g) ground beef (or Italian sausage) 1 small onion, chopped 2–3 garlic cloves, minced 1 jar (24 oz / 680 g) marinara or pasta sauce 1 can (14 oz / 400 g) diced tomatoes (optional, for extra sauce) 1 package (25 oz / 700 g) frozen cheese ravioli 2 cups shredded…