Dick Faurot's Mexican Caviar

3 large tomatoes chopped fine (or 6-8 vine tomatoes)
6 green onions and tops (chopped fine)
1 (4-oz) can chopped green chilies (drained)
1 (4-oz) can chopped black olives
3 Tbsp salad oil
1-1/2 Tbsp Tarragon wine vinegar
1 tsp garlic salt
1 tsp salt

Mix all ingredients together, and store in refrigerator covered. Serve with Doritos. Best made day before serving.