1 stick butter
2 c. sugar
1/2 c. cocoa
1/2 c. evaporated milk
2 c. graham cracker crumbs, rolled fine
1 c. nuts or coconut (if desired)

Place butter, sugar, cocoa, and milk in saucepan and place over heat until butter is melted. Bring to boil and remove from heat. Add crumbs and nuts and mix well. Pour into buttered pan 9 x 9 inches and let cool. Cut in squares.