Black Bean Soup

1 onion, chopped
1 Tablespoon canola oil
1-2 Tablespoon(s) taco seasoning
1-3 teaspoon(s) chili powder
1-3 teaspoon(s) ground cumin
3 cans black beans
1/2-1 cup water
1/2 cup prepared salsa
salt to your liking
1 Tablespoon lime juice

Garnish:
Sour Cream
Shredded Cheese
Cilantro

Put onion and oil in a large pot stirring 2 to 3 minutes on medium heat. Add taco seasoning, chili powder and cumin to your liking and keep stirring with onion 1 minute more. Add beans, water, salsa, and salt. Bring to a boil; reduce heat and simmer for 10 minutes. Remove from the heat and stir in lime juice. Transfer no more than 1/2 the soup to a blender and puree (use caution when pureeing hot liquids). Stir the puree back into the saucepan, serve, and garnish.