Hearty Chicken Pot Pie

1 pkg (16 oz) frozen mixed veggies, thawed
1 cup cubed cooked chicken
1 can cream of chicken soup
1 cup bisquick
½ cup milk
1 egg

Heat oven to 400. Mix veggies, chicken and soup in ungreased 2 quart casserole dish. Stir rest in small bowl with a whisk. Pour onto veggie mix. Bake 30 minutes or until golden brown.