Dad'S Easy Chocolate Brownies
["1 1/2 c. flour", "4 eggs", "1 tsp. salt", "3/4 c. chopped nuts", "1 tsp. baking powder", "2 c. sugar", "2 tsp. vanilla", "1 c. margarine", "7 Tbsp. cocoa"]
["Pour into greased 8 x 11-inch baking pan; clear glass works best.", "Bake at 350\u00b0 for 28 minutes.", "Yield:", "12 servings."]
["flour", "eggs", "salt", "nuts", "baking powder", "sugar", "vanilla", "margarine", "cocoa"]