Crockpot vegan chili

ONE
1 onion, chopped
6 cloves garlic, pressed

TWO
28oz crushed tomatoes with their juice
1 cup of water (or more as needed)
15oz cooked black beans
15oz cooked garbanzo beans
1 sweet potato or 1/2 butternut squash, cubed
1 bell pepper, chopped
1 cup sweet corn
1 T. ground cumin
1 T. basil (dry--if fresh, add after the chili is cooked)
1/4 t. cayenne pepper

THREE
steamed fingerling potatoes

In a saucepan, saute the ingredients in ONE in 2 T of water, covered, over low heat, until tender. Put the onions in the crockpot. Add the ingredients in TWO and cook on high for 3-4 hours, or on low for 6-7 Adjust the seasonings and add the potatoes (chopped if they are too big).