in a Slow Cooker
In large skillet over medium heat, cook and crumble sausage and onions until no longer pink; drain. Stir in tomato puree, undrained tomatoes, Italian seasoning and garlic powder.
Place 1 cup meat sauce in bottom of a 5-quart or larger slow cooker. Layer with broken noodles, meat sauce, cottage cheese and mozzarella cheese. Repeat layers.
Cook on HIGH 2-3 hours or LOW 4-6 hours or until noodles are tender.