If you know a mango's anatomy, it's easy to prep: The fruit has a flat, oval pit in the center that runs parallel to the "cheeks," which are the fleshiest part. The bottom (stem end) is squat, and the top, or "nose," is tapered. Here's how to cube it:
Step 1: Stand the mango on its stem end. Starting at the nose, and using the flat sides of the pit as a guide, slice off both cheeks.