– 4 boneless, skinless chicken breasts – 1½ cups thinly sliced carrots – 1 cup frozen peas – 3 potatoes – 1½ cups shredded cheddar cheese – 2 (10.5 ounce) cans cream of chicken soup – 1 cup chicken broth – ½ cup milk – salt and pepper, to taste – 1½ cups Bisquick biscuit mix – 1 cup milk – garlic powder, to taste – ¼ cup butter melted