Black Bean Potato Chili!

1 onion, diced
2 cloves garlic, minced
1 lb. dried black beans
4 c. water
2 15 oz. cans diced fire-roasted tomatoes with chiles
3 large roasted red peppers, chopped
2 potatoes, diced
1 t. cumin
1 t. chili powder
1 t. cayenne
hot sauce to taste

Mix all ingredients in a slow cooker.  Refrigerate overnight so beans can soak up liquid.  Cook on low for 10 hours or high for 5 hours.