Combine flour, baking powder, and cinnamon; set aside. Combine peanut butter, butter, and brown sugar in a large mixing bowl; beat well at medium speed of an electric mixer. Add eggs, beating well. Gradually add dry ingredients, mixing well. Chill dough at least 30 minutes. Shape 1 rounded teaspoon dough around each chocolate star; place on lightly greased cookie sheets. Bake at 180ºC or 9 to 11 minutes or until lightly browned. Cool slightly on wire racks; then roll in powdered sugar. Cool ----