Hot from the Oven~Chicken Pot Pie

1 package (16 ounces) frozen mixed vegetables, thawed
1 cup cut-up cooked chicken
1 can (10 3/4 ounces) condensed cream of chicken soup or mushroom soup
1 cup Original Bisquick® mix
1/2 cup milk
1 egg

Heat oven to 400ºF. Mix vegetables, chicken and soup in ungreased 2-quart casserole.
Stir remaining ingredients in small bowl with fork until blended. Pour into casserole.
Bake 30 minutes or until golden brown.