Chewy Brownies
["1/2 c. melted butter", "1 c. sugar", "1 egg", "1/2 tsp. vanilla flavoring", "6 Tbsp. cocoa", "1/2 c. flour", "1 c. chopped walnuts", "1/4 tsp. salt"]
["Heat oven to 350\u00b0.", "Cream butter and sugar well.", "Beat in egg. Add remaining ingredients.", "Bake in a greased 8-inch square pan in a moderate oven for 20 minutes.", "Cut in squares when cool or serve hot with vanilla ice cream."]
["butter", "sugar", "egg", "vanilla flavoring", "cocoa", "flour", "walnuts", "salt"]