Viennese Raspberry Squares

Directions

1. 1
   In a medium mixing bowl, bring egg whites to room temperature. Set aside.
2. 2
   For crust, in another medium mixing bowl, beat margarine with an electric mixer on medium-high speed about 30 seconds or until softened.
3. 3
   Add about half the flour.
4. 4
   Then add the sugar and egg yolks.
5. 5
   Beat on medium-high speed until thoroughly combined.
6. 6
   Stir in remaining flour.
7. 7
   Press crust mixture into 9 x 9 x 2-inch baking pan.
8. 8
   Bake at 350° for 15 minutes.