Shortbread Lemon Bars (Taste of Home)

36 servings.

Ingredients:
1 1/2 cup all-purpose flour
1/2 cup confectioners' sugar
1 t. grated lemon peel
1 t. grated orange peel
3/4 cup cold butter, cubed

Filling:
4 eggs
2 cups sugar
1/3 cup lemon juice
1/4 cup all-purpose flour
2 t. grated lemon peel
2 t. grated orange peel
1 t. baking powder

Topping:
2 cups (16 oz) sour cream
1/3 cup sugar
1/2 t. vanilla extract

Directions:
In a food processor, combine the flour, confectioners' sugar, and lemon and orange peel. Add butter, cover and process until mixture forms a ball.

Pat into a greased 9x13 inch pan. Bake at 350 for 12-14 minutes or until set and the edges are lightly browned.

In a large bowl, combine all the filling ingredients. Pour over hot crust. Bake for 14-16 minutes or until set and lightly browned.

In a small bowl, combine topping ingredients. Spread over filling.

Bake 7-9 minutes longer or until topping is set. Cool on a wire rack. Refrigerate overnight. Cut into bars just before serving. Store in the refrigerator.