8 plum tomatoes, chopped
2 cloves garlic, chopped
1 med. onion, chopped
2 to 6 jalapeno (pickled) chilies or 1 to 2 cans green chilies seeded and chopped (add to taste)
6 to 12 pitted black olives, chopped
1 to 2 tbsp. snipped parsley
Juice of 1 to 2 limes
Salt and pepper to taste

Combine all ingredients in a bowl. Mix well and refrigerate for a few hours (or more) to blend all of the flavors. Serve with tacos.