Best Brownies
["1 stick butter", "1 c. sugar", "2 eggs, beaten", "1 tsp. vanilla", "2/3 c. flour, sifted with 3 Tbsp. cocoa", "2/3 c. nuts"]
["Mix and pour into 11 x 7-inch greased pan.", "Bake at 350\u00b0 for 25 minutes.", "Put in refrigerator immediately from oven to cool."]
["butter", "sugar", "eggs", "vanilla", "flour", "nuts"]