Heat oven to 350°F. In large bowl, beat butter, granulated sugar, brown sugar and peanut butter with electric mixer on medium speed until creamy. Beat in egg until blended. Add Bisquick mix, beating on low speed just until blended. Stir in toffee bits, peanuts and 2/3 cup of the chocolate chips. Onto ungreased cookie sheets, drop dough by rounded tablespoonfuls 2 inches apart; flatten with hand.