Create the Base: Place one-third of your diced tomatoes (about 1/2 cup / 480 ml) into a small blender or food processor. Pulse a few times until it forms a light, juicy purée. This trick helps bind all the flavors together.
Combine : In a medium bowl, add the tomato purée, the remaining diced tomatoes, the finely chopped white onion, minced jalapeño, and chopped cilantro.
Season and Mix: Pour the fresh lime juice over the and sprinkle with salt.
Stir gently until everything is well combined.
Rest and Serve: For the best flavor, let the pico de gallo rest for at least 15 minutes to allow the to meld.
Serve with chips, on tacos, or as a fresh topping for any dish.