Barbara Bush's Lemon Bars

CRUST
1 cup margarine
2 cups of powdered sugar
2 cups of flour
FILLING
4 teaspoons of lemon juice
2 lemon rinds grated
4 eggs well beaten
2 cups of sugar
1 teaspoon of baking powder
4 tablespoons of flour
1 cup shredded coconut

Mix margarine, powdered sugar and flour. Spread in 15x10" jelly roll
pan. Bake at 350ºF. for 15 minutes until pale tan. Cool. Mix remaining
ingredients. Pour over crust. Bake for 25 minutes at 350ºF. Cut into
bars. Serving size: 36