Preheat oven to 350°. Stir together peanut butter and next 4 ingredients in a medium bowl until well blended. Stir in chocolate morsels.
Drop dough by rounded tablespoonfuls 2 inches apart onto parchment paper-lined baking sheets.
Bake at 350° for 12 to 14 minutes or until puffed and lightly browned. Cool on baking sheets on a wire rack 5 minutes. Transfer to wire rack, and let cool 15 minutes.