2 c. flour
1/2 c. powdered sugar
1 c. butter
1/8 tsp. grated key lime peel
Pinch of salt
Powdered sugar to sprinkle on top
2 tbsp. flour
1/2 tsp. baking powder
1/3 c. key lime juice
4 eggs
2 c. sugar

Combine flour and powdered sugar. Add slices of butter and mix until smooth. Press dough into 9x13 inch pan. Bake at 350 degrees for 20 to 25 minutes. Beat eggs at high speed. Slowly add sugar, salt, flour, baking powder, lime juice and grated peel (optional). Pour into crust and bake for 20 to 25 minutes more. Sprinkle with powdered sugar. Cool and cut into bars.