In a mixing bowl, beat Splenda Sugar Blend, Splenda Brown Sugar Blend, peanut butter, vegetable oil spread, and vanilla extract until creamy. Beat in egg whites.
Gradually beat in flour mixture.
Drop dough by rounded tablespoon onto ungreased baking sheets. Press down slightly with fork to make a crisscross pattern.
Bake for 8–10 minutes or until edges are set but centers are still soft. Cool slightly, then transfer to a wire rack to cool completely.