Combine cornflakes, oats, bran cereal, and dates in large bowl. Mix peanut butter, egg whites, Equal and vanilla in small bowl until smooth; pour over cereal mixture and stir until all ingredients are coated.
2
Shape mixture into 1-inch mounds; place on lightly greased cookie sheets. Bake in preheated 350 degree oven until cookies are set and browned, 8 to 10 minutes. Cool on wire racks.