Directions:
- In large bowl, mix together melted butter and sugar.
- Add eggs and vanilla; mix well.
- Add cocoa; mix well.
- Add flour; mix well.
- Pour into greased, floured cookie sheet.
- Cook for 20 minutes in 375º preheated oven.
- Cool before cutting.
Servings: Makes 1 cookie sheet (1/2 recipe fits 9x13-inch pan).