Refried Beans

3 cups dry pinto beans

8 1/2 cups water
1 onion, diced
1/2 jalapeno pepper, de-seeded and minced
3 cloves garlic, minced
1/2 tsp cumin
2 tsp salt
1/2 tsp black pepper

Combine all ingredients in a crock pot or slow cooker. Cover and cook on medium-high for 8 hours.