Simply Delicious Easy Brownies
["1 c. butter or margarine", "2 c. sugar", "4 eggs, beating after each addition", "2 tsp. vanilla", "1 1/2 c. all-purpose flour", "1/2 c. plus 1 Tbsp. cocoa", "1 tsp. salt"]
["Grease a 9 x 13-inch baking pan.", "In a large bowl, combine ingredients in order given.", "Mix well and add 1 cup chopped nuts, if desired.", "Put in pan.", "Bake at 350\u00b0 for 30 minutes.", "Check at 25 minutes, if you like brownies chewy.", "Frost, if desired."]
["butter", "sugar", "eggs", "vanilla", "flour", "cocoa", "salt"]