- Crust:
- 1/2 cup chopped walnuts
- 1/3 cup white sugar
- 3/4 cup all-purpose flour
- 6 tablespoons butter
- Topping:
- 2 tablespoons butter, softened
- 1/3 cup water
- 1/3 cup unsweetened cocoa powder
- 1/2 cup white sugar
- 2 eggs
- 1 teaspoon vanilla extract
- 1/8 teaspoon salt
- 1 tablespoon confectioners' sugar for dusting
- Preheat oven to 350 degrees F (175 degrees C). Grease an 8×8 inch square pan.
- In a medium bowl, cream together the 6 tablespoons of butter and 1/3 cup sugar until smooth. Stir in the flour and walnuts. Press into the prepared pan.
- Bake for 20 to 25 minutes in the preheated oven.
- To make the topping: Beat the 2 tablespoons butter, water, cocoa, 1/2 cup sugar, eggs, vanilla and salt together in a medium bowl until smooth and shiny. Spread evenly onto the baked crust.
- Return to the oven and bake for an additional 20 minutes, or until set. Dust with confectioners' sugar and cut into 24 bars when cool. These taste best served chilled.