Wash the sweet potato, scrubbing to remove any dirt.

Prick the potato two or three places with a fork.

Place the sweet potato inside the microwave on the glass bottom.

Cover the potato with a plastic microwave cover.

Cook for five minutes.

Take the hot potato out with tongs.

Cut the potato in half.

Cut the tablespoon of butter in half.

Place the butter into each half, pressing with a spoon.

Sprinkle the cinnamon onto both halves (use more if desired).