1Heat oven to 350°F. In small bowl, stir together coffee and vanilla until coffee is dissolved. In large bowl, mix cake mix, coffee mixture, butter and eggs with spoon until soft dough forms. Stir in chocolate chips and toffee bits.
2On ungreased cookie sheets, drop dough by rounded teaspoonfuls 2 inches apart.
3Bake 7 to 10 minutes or until surface appears dry. Cool 1 minute; remove from cookie sheets to cooling rack. Cool completely. Store covered.