Cut the peel from the mango and cut the mango in slices away from the pit, getting as close to the pit as possible. Dice the mango.
Dice 1/3 of the red pepper and ½ of the onion, depending on the size and your preference.
Finely dice the habanero. It is up to you whether you remove the seeds, but it’s best to remove the seeds initially.
Mix mango, red pepper, and onion. Add the juice of the entire lime and some lime zest if you desire. Add cumin and mix well. Top with chopped cilantro.