Fudge-Nut Brownies - cooking recipe

Ingredients

6 (1 oz.) sq. unsweetened chocolate
3/4 c. margarine or butter (1 1/2 sticks)
6 large eggs
2 1/2 c. sugar
1 1/2 tsp. vanilla extract
1/2 tsp. salt
1 1/2 c. all-purpose flour
1 (8 oz.) can walnuts, chopped

Preparation

About 2 1/2 hours before serving or early in the day: