Preparation time: 25 seconds
Difficulty level: Intermediate
Thinly butter one side of both slices of bread. Add a thin layer of Marmite on top of the butter or margarine. Add a thin layer of ketchup on top of one slice only. Place the non-ketchuped slice Marmite-face-down on top of the ketchuped slice. Cut in half, and eat with care.