crockpot beans

3 cups dried beans rinsed
1 onion- peeled and chopped
9 cups water
5 tsp salt
1 3/4 tsp pepper
2 TBSP minced garlic
1/8 tsp cumin
cook in crockpot on high 8 hours. Drain and save liquid. If desired mash beans adding a little liquid at a time until desired consistency.