Prep: 1. Preheat oven to 350 and grease a 9x12 in pan. Make: 1. Melt butter in large saucepan. Once butter is melted remove from heat. 2. Add cocoa, whisk out all lumps. 3. Add sugar and eggs one at a time, beating well after each addition. 4. Add flour, stir until all traces of flour disappear. 5. Add chips. 6. Bake in greased 9x12 pan for 25-28 minutes. Don't over bake. Let cool before slicing into squares.
Make it your own by adding 1 cup of your favorite nuts!