Chicken Cacciatore

Chicken Cacciatore 1 Tbsp olive oil1 lb. chicken breasts (boneless, skinless, chicken breast cut into 1-inch pieces)1 cup onion (medium, thinly sliced)1 cup celery (medium, sliced)1 clove garlic (finely chopped)1 medium bell pepper (medium, cut into 1-inch pieces)8 oz...