3 Tbs margarine, softened

3 Tbs fat-free cream cheese

1 ½ cups sugar

1 large egg yolk

¾ cups all-purpose flour

3 Tbs powdered sugar

1 large egg

¼ cup fat free egg substitute

1/3 cup fresh lime juice (from key limes)

Preheat oven to 350 degrees.  Coat an 8 square baking dish with cooking spray.  To make the crust, beat margarine, cream cheese, and ½ cup of sugar w/ an electric mixer until light and fluffy.  Beat in egg yolk and gradually add ¾ cup of flour.  Spread into baking dish using your hands (coat hands w/ 1 Tbs of powdered sugar to prevent batter from sticking).  Bake until crust is lightly browned, about 15 minutes.  To make the filling, beat egg and egg substitute in the same bowl used to make crust.  Add remaining 1 cup of sugar and 2 Tbs of flour; beat on low speed until blended; Add lime juice; beat on low speed until blended; pour onto warm crust and bake 15 minutes more.

Cool on a rack.  Sprinkle w/ 2 Tbs of powdered sugar and cut into 16 pieces.

Serves 16 at 3 points each