Preheat oven to 375 F. In small bowl, combine flour, baking powder and salt; set aside. In large bowl, combine butter, brown sugar, sugar, and vanilla extract; beat at medium speed until creamy (about 3 to 5 minutes). Add egg; beat well. Turn mixer to low; gradually add flour mixture. Stir in Nestle Peanut Butter Morsels. Drop by rounded teaspoonfuls onto ungreased cookie sheets. Bake at 375 F for 7 - 9 minutes. Cool on cookie sheet 2 minutes. Remove and cool completely. Cookies will be a light golden color with a light brown edge. Makes 6 dozen 2 inch cookies.