Chop enough onion to make about 1 1/2 cups, and enough tomatoes to make about 2 cups. Rinse and chop one large bunch of cilantro. Finely chop 1 - 2 jalapeños. Toss everything together in a bowl, and season with some dashes of rice vinegar.Day 2, Dipping Salsa for chips
Combine all the above in a food processor, and pulse until finely chopped. Serve with corn chips, and watch it disappear.