Tweed Squares for Cookie Princess

• 12 cup butter or 12 cup margarine (125 ml)
• 23 cup granulated sugar (150 ml)
• 1 13 cups all-purpose flour (325 ml)
• 2 teaspoons baking powder (10 ml)
• 12 teaspoon salt (2 ml)
• 1 teaspoon vanilla extract (5 ml)
• 12 cup whole milk (125 ml)
• 2 ounces semi-sweet chocolate baking squares, grated
• 2 egg whites
• 2 tablespoons granulated sugar (to add to egg whites 30 ml)
• 1 12 cups confectioners' sugar (icing)
• 2 egg yolks
• 13 cup butter or 13 cup margarine
• 2 ounces semi-sweet chocolate baking squares
• 2 tablespoons butter or 2 tablespoons margarine (30 ml)

1. 1ST LAYER:.
2. Cream the butter and 2/3 cup sugar.
3. Add in the vanilla extract.
4. Mix together the flour, baking powder and salt.
5. Add alternately to the creamed mixture with milk, beginning and ending with dry ingredients.
6. Beat egg whites with 2 T sugar until stiff.
7. Fold the grated chocolate into the egg whites.
8. Fold egg whites and chocolate mix into the batter.
9. Pour into greased 9 x 9-inch pan.
10. Bake at 350 degrees F for 25 minutes.
11. Cool.
12. 2ND LAYER:.
13. Once the bottom layer has cooled.
14. Mix confectioner's sugar, egg yolks and butter until smooth.
15. Spread over to cover the 1st layer.
16. 3RD (TOP) LAYER:.
17. Melt chocolate and butter (by whatever method you prefer).
18. Blend well.
19. Spread evenly over 2nd layer.
20. Cover and refrigerate.
21. Cut and serve once the top layer has set up.

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Taken from www.food.com/recipe/tweed-squares-for-cookie-princess-105715 (may not work)