Slow Cooker Lasagna

Preparation Time: 30 minutes Cooking Time: 4-6 hours on low Total Time: 4.5-6.5 hours Servings: 6-8 Ingredients: 1 pound lean ground beef 1 pound Italian sausage, casings removed 1 onion, finely chopped 3 cloves garlic, minced 1 can (28 oz) crushed tomatoes 1 can (15 oz) tomato sauce 1 can (6 oz) tomato paste 1/2…