Slow Cooker Lamb Chili

3 (16-ounce) cans black beans, rinsed and drained

2 pounds ground lamb, browned and drained of fat

1 medium yellow onion, coarsely chopped

1 (14-ounce) can chopped tomatoes

1 (14-ounce) cans tomato sauce

2 cloves garlic, minced

2 to 3 tablespoons chili powder

1 teaspoon cumin

1 teaspoon pepper

1 teaspoon salt

Shredded cheese or a side of cheese bread, to serve

Green onions, to serve

Put all the ingredients in the slow cooker in the order listed. Cover and cook on Low for 8 to 10 hours.