Disgustingly Rich Brownies
["2 c. sugar", "1 1/4 c. all-purpose flour", "3/4 c. cocoa", "4 eggs", "1 tsp. vanilla extract", "2 sticks (1 c.) butter", "1/4 tsp. salt", "1/2 c. chopped walnuts (optional)", "shortening"]
["You will also need measuring cups and spoons, a bowl, an 8 or 9-inch square baking pan and an oven.", "Preheat oven to 350\u00b0, then smear the inside of the pan with shortening."]
["sugar", "flour", "cocoa", "eggs", "vanilla extract", "butter", "salt", "walnuts", "shortening"]