Preheat oven t0 350. Combine flour, baking powder, baking soda, and salt in small bowl. Set aside.
2
Combine peanut butter with butter in large bowl and beat with electric mixer until smooth. Beat in Splenda, then eggs and vanilla until blended. (If necessary, refrigerate dough until easy to handle.)
3
Shape dough into 1" balls. Arrange cookies on ungreased baking sheet 2" apart. Gently flatten each cookie and press cris-cross pattern into tops with fork dipped in sugar.
4
Bake 12 minutes or until lightly golden. Cool completely on wire rack. Store in tightly covered container.
