Place all the dry lentils,cooked ham, diced onion, sliced carrots, the fresh diced tomatoes or canned dice tomatoes, bell pepper, minced garlic, bay leaves, salt, pepper and chicken broth into a 7 quart or larger crock pot slow cooker.
With a large spoon stir the ingredients until combined.
Place the lid on the slow cooker and cook on low for 8 or 10 hours.