Blend 4 Roma tomatoes, ½ an onion, 3-4 cloves of garlic, 2 cans of tomato sauce, 1 can of chipotle in adobo sauce (or half for less spice), chicken bouillon, garlic powder, and onion powder.
Add sliced onion to the crockpot (optional, can be sautéed first).
Add 2.5 lbs of chicken to the crockpot.
Pour the blended sauce over the chicken.
Cover and cook on high for 4 hours or low for 6 hours.
After cooking, shred the chicken and let it soak in some of the juice.
