Heat olive oil in large skillet and add onion and peppers, cook until soft and beginning to brown approx. 8 mins.
Add cumin and garlic and cook another minute.
Place in crockpot and add beans, chili in adobo and 7 cups of water.
Set on high and cook 4-6 hours, or until beans are soft, mine were done in 4 hours however different crockpot models vary in their cooking times.
Remove 2 cups of cooked beans and puree in blender then add back to soup in crockpot.
Add lime juice, salt and pepper.
To make the crema topping, add cumin seeds to dry skillet and toast over medium heat until golden brown,
Grind in spice grinder or use a mortal and pestle to coarsely grind, add to crema, sour cream or yogurt and season with salt and pepper.
Ladle into warmed bowls and top with crema, and any of the garnishes you prefer.
Find more of Pamela's gluten free recipes at PamelasGlutenFreeRecipes.com.