1Heat oven to 425°F. In resealable 1-gallon food-storage plastic bag, place Bisquick mix, cornmeal and seasoned salt.
2In medium bowl, beat milk and egg until blended. Dip chicken pieces in milk mixture, then shake about 6 pieces at a time in bag of Bisquick mixture.
3In 15x10x1-inch pan, pour 2 tablespoons of the melted butter. Arrange coated chicken pieces in pan. Drizzle remaining 2 tablespoons melted butter over chicken pieces.
4Bake 12 minutes. Turn chicken pieces over. Bake 7 to 8 minutes longer or until chicken pieces are golden brown. Serve with barbecue sauce.