Peel the mangoes and cut them into small, uniform cubes, revealing their juicy, fragrant interior with each cut.
Finely chop the red onion into small bits, then rinse and drain in cold water to mellow the sharpness, and set aside.
Remove the cilantro leaves from the stems and chop them finely, adding a bright, herbal aroma to your bowl.
Seed and finely mince the jalapeño, adjusting the amount based on your spice preference, until it’s evenly distributed for a spicy kick.
In a mixing bowl, combine the mango cubes, chopped red onion, cilantro, and minced jalapeño, gently folding everything together to distribute the flavors.
Squeeze fresh lime juice over the mixture and sprinkle with salt, then toss gently to coat everything evenly, allowing the flavors to meld.
Let the salsa sit for about 10 minutes at room temperature or in the fridge to let the flavors fully develop and the juice to absorb into the fruit.
Give the salsa a gentle stir before serving, tasting and adjusting seasoning with extra lime or salt if needed for a bright, balanced flavor.