Lemon Shortbread Bars

• 2 1/3 cups all-purpose flour
• 1/4 teaspoon baking powder
• 1/4 teaspoon salt
• 1 cup butter softened
• 2 cups sugar
• 4 eggs
• 1/3 cup lemon juice
• 2 tablespoons grated lemon peel
• confectioner's sugar for dust on top of bars,After cooled

Instructions:
In small bowl, combine 2 cups flour, baking powder and salt. In large bowl, with electric mixer at medium speed, beat butter and 1/2 cup sugar until light and fluffy. At low speed, gradually stir in flour mixture until well blended. Chill 2 hours. Next press dough into 13X9X2-inch pan. Bake 350F for 20 minutes. In large bowl, beat eggs, remaining flour and sugar, juice and peel until light and fluffy. Pour over baked layer; bake 30 minutes more . Cool. Sprinkle with confectioner's sugar; carefully cut into 1 1/2 inch bars. Makes 3 dozen