Begin by dicing the bell peppers and onion.
Mince the garlic cloves.
Place the chicken breasts at the bottom of the crockpot.
Add the chopped vegetables on top of the chicken.
Pour in the canned beans and diced tomatoes.
Sprinkle chili powder, cumin, salt, and pepper over the mixture.
Stir gently to combine all ingredients.
Cover the crockpot and set it to low for 6-8 hours or high for 3-4 hours.
Once cooked, shred the chicken using two forks directly in the crockpot.
Stir the chili to mix the shredded chicken and serve hot, garnished with fresh cilantro.