It's really the simplest fruit salad in the world and the flavor combination is very good. It's from Gourmet magazine.
- Trim the rind of the watermelon.
- Discard the seeds and cut it into 1-inch pieces.
- Place in a large bowl.
- Peel the mangoes and remove the pits.
- Cut into 1-inch pieces and add to watermelon.
- Toss with lime juice, zest, and sugar.
- Chill at least 20 minutes, tossing occasionally.