Step 1

Heat oven to 350°F.

Step 2

Combine brown sugar, butter and peanut butter in bowl. Beat at medium speed until well mixed. Add egg and vanilla; continue beating until well mixed. Add flour, baking powder, baking soda and salt. Beat at low speed until well mixed.

Step 3

Shape dough into 1 1/2-inch balls; roll in sugar. Place, 2 inches apart, onto ungreased cookie sheets; flatten balls in criss-cross pattern with fork dipped in sugar. Bake 8-10 minutes or until edges are lightly browned.