Start by peeling the mangoes carefully with a sharp knife, then slice around the pit and chop the flesh into chunky, irregular pieces. You should hear a satisfying squish as you work, and the aroma of sweet mango will fill the air.
Transfer the chopped mango into a mixing bowl. Add the finely chopped red onion, which should look crisp and bright, and toss gently to combine.
Slice the jalapeño in half lengthwise and remove the seeds if you prefer less heat. Finely dice the jalapeño and sprinkle into the bowl, adding a fiery kick to the salsa.
Squeeze the fresh lime juice over the mixture, unleashing a bright, tangy aroma. Stir everything together with a spoon, making sure the mango, onion, and jalapeño are evenly coated.
Chop the cilantro finely and sprinkle it into the bowl, then add the diced bell pepper for crunch and sweetness. Mix gently to distribute all the flavors evenly.
Season the salsa with a pinch of salt and, if desired, a tiny drizzle of honey or sugar to balance the acidity and enhance the natural sweetness. Taste and adjust the seasoning as needed.
Let the salsa sit for about 10 minutes to allow the flavors to meld. The mango will become juicier, and the aroma will deepen, inviting you to taste.
Give the salsa a final stir, taste once more, and adjust seasoning if necessary. Serve immediately with chips, grilled meats, or as a fresh topping.