Lucinda shows make salsa cruda, an easy homemade tomato salsa you can use as a topping for your tacos.
Stir together tomatoes, onion, chiles, cilantro, water, and 2 1/2 teaspoons salt. Season with more salt to taste.
Adjust the amount and type of chiles to make this salsa mild, medium, or hot, as you like. Salsa can be refrigerated for up to 3 days.