Begin by selecting ripe mangoes that yield slightly to pressure.
Peel the mangoes and carefully remove the pit.
Dice the mango flesh into small cubes.
Finely chop the red onion and add it to a mixing bowl.
Seed and mince the jalapeños, adjusting the amount for desired heat.
Chop the fresh cilantro and add it to the bowl.
Pour the freshly squeezed lime juice over the mixture.
Season with salt and black pepper to taste.
Toss all ingredients gently until well combined.
Let the salsa sit for about 10 minutes to allow the flavors to meld.