Easy Slow Cooker Meatballs

1 1/2 pounds ground beef
1 1/4 cups Italian seasoned bread crumbs
1/4 cup chopped fresh parsley
2 cloves garlic, minced
1 medium yellow onion, chopped
1 egg, beaten
1 28 ounce jar spaghetti sauce
1 16 ounce can crushed tomatoes
1 14.25 ounce can tomato puree

In a bowl, mix the ground beef, bread crumbs, parsley, garlic, onion and egg. Shape the mixture into 16 meatballs.

In a slow cooker, mix the spaghetti sauce, crushed tomatoes and tomato puree.

Place the meatballs into the sauce mixture. Cook on low for 6 to 8 hours. Serve over pasta or mashed potatoes.