Lemon Squares - cooking recipe

Ingredients

1 c. unsalted butter
1/2 c. confectioners sugar
2 c. flour
4 eggs
juice of 1 lemon
1 3/4 c. sugar
1/3 c. flour
1/2 tsp. baking powder

Preparation

Cream butter and sugar.
Add flour; pat mixture into 9 x 13-inch pan and bake at 350\u00b0 for 20 minutes.