3 (22.5 oz) chicken breast halves
1 small onion, quartered
1 tomato, quartered
1 carrot, peeled and chopped
2 cloves garlic, peeled
1 tbsp olive oil
1 small onion, thinly sliced
1 small green bell pepper, seeded and thinly sliced
1 small red bell pepper, seeded and thinly sliced
1/4 cup dry white wine
1/2 cup tomato sauce
reserved broth
1 tsp cumin, or more to taste (I like a lot)
garlic powder
salt and pepper to taste