Lemon Bars

1/3 Cup margarine, softened
1 Cup sugar
1 Cup all purpose flour
2 Eggs
2 Tablespoons all purpose flour
2 Teaspoons finely shredded lemon peel
3 Tablespoons lemon juice
1/4 Teaspoon baking powder
Powdered sugar
Beat margarine with an electric mixer on medium to high speed for 30 seconds. Add 1/4 cup of the sugar. Beat till combined. Beat in the 1 cup flour till crumbly. Press into bottom of an un greased 8X8X2 inch baking pan. Bake in a 350 degree oven for 15 to 18 minutes or just till golden. Meanwhile, combine eggs, the remaining sugar, the 2 tablespoons flour, lemon peel, juice, and baking powder. Beat for 2 minutes or till thoroughly combine. Pour over hot baked layer. Bake in a 350 degree oven about 20 minutes more or till lightly browned, around the edges and center is set. Let cool. Dust with small amount of powdered sugar.