Brownies
["1/2 c. butter or margarine", "2 eggs", "3 Tbsp. cocoa", "1 c. sugar", "3/4 c. flour", "1 tsp. vanilla", "1/2 c. chopped nuts"]
["Melt butter in an 8-inch square pan.", "Mix together remaining ingredients in pan with melted butter.", "Bake at 350\u00b0 for 20 minutes.", "Cool; cut into squares."]
["butter", "eggs", "cocoa", "sugar", "flour", "vanilla", "nuts"]