Chocolate Brownies - cooking recipe

Ingredients

2 sticks butter
1 c. unsweetened cocoa powder
2 c. sugar
4 large eggs
1 c. each: all-purpose flour and chopped nuts
1 tsp. vanilla
1/4 tsp. salt

Preparation

In top of a large double boiler set over simmering water, melt butter (cut into pieces) with cocoa powder, stirring.
Cook the mixture until smooth.
Remove from heat.
Beat in sugar and eggs; stir in flour, walnuts, vanilla and salt, combining the mixture well.
Spread the mixture evenly into a well-buttered baking pan, 13 x 9-inch, and bake at 350\u00b0 for 20 to 30 minutes.
Cool.