Ingredients
1 medium onion, finely chopped
3 medium tomatoes, finely chopped
1 large green pepper, finely chopped
2 tbsp. vinegar
2 tbsp. oil
1 tsp. salt
1/2 tsp. mustard
1/4 tsp. celery seed

Directions
Combine the vegetables, then add the vinegar, oil and seasonings. Mix well. Let stand a few hours to blend flavors. Makes about 2-1/2 cups.