1. Cut bottom of mango to balance on cutting board. Peel skin off of mango with vegetable peeler. Slice mango close to seed on each side. Cut mango into slices.
2. Combine water, vinegar, sugar, and salt in a small saucepan over high heat, and bring to a boil, stirring constantly until sugar dissolves.
3. Cool to room temperature, about 1 hour.
4. Place mango slices in a clean quart-size glass jar.
5. Pour vinegar mixture over mango slices and refrigerate.
6. Seal with lid, and refrigerate 8 to 12 hours before serving.

Recipe submitted by Jeanette Jenkins, The Hollywood Trainer