Chicken Cacciatore

Ingredients

• 4 boneless chicken breasts (double breasts)
• 1/4 c. vegetable oil
• 1 large onion, thinly sliced
• 1/2 c. chopped green pepper (optional)
• 1 (16 oz.) can tomatoes, drained
• 1 (8 oz.) can tomato sauce
• 1 (3 oz.) can mushroom slices, drained
• 1 tsp. salt
• 1/4 tsp. oregano
• 1/4 tsp. garlic powder or 2 garlic cloves, minced