3 tomatoes, chopped
1/2 medium white or yellow onion, chopped
1/4 cup cilantro, chopped
1 jalapeno, seeded and chopped (for more heat leave some or all of the seeds in)
Juice from 1/2 a lime
salt and pepper, to taste
Chop onions and place in a separate bowl with water; let sit for 5 minutes.
Strain onions and combine with the rest of the ingredients.
Let sit for minimum of 1 hour to let the flavors meld.