Gather all ingredients.

Place pinto beans into a large pot and pour in enough water to cover by 2 to 3 inches. Let beans soak overnight.

Drain beans, return to pot, and pour in fresh water to cover.

Add tomatoes, bacon, onion, chili powder, cumin, and garlic powder. Bring to a boil, reduce heat to low, and simmer for 3 hours.

Check the beans occasionally and add more water if needed.

Stir cilantro and salt into beans simmer until beans are soft, about 1 more hour.

Serve and enjoy!