Special-Occasion Brownie Dessert - cooking recipe

Ingredients

4 (1 oz.) sq. unsweetened chocolate
1 c. butter or margarine
1 1/2 c. sugar
4 eggs, beaten
2 tsp. vanilla extract
1 c. all-purpose flour
1/4 tsp. salt
1 c. chopped walnuts
Graham Cracker Crust (recipe follows)
2 c. frozen whipped topping, thawed
finely chopped walnuts (optional)

Preparation

Combine chocolate and butter in a heavy saucepan.
Place over low heat, stirring constantly, until melted.
Add sugar, stirring until combined.
Remove from heat and cool 5 minutes.
Stir in the eggs and vanilla.
Combine flour and salt; add to creamed mixture, stirring well.
Stir in 1 cup walnuts.