2 walla walla sweet onions, sliced
6 lg. ripe tomatoes
1 green pepper, cut into strips
3/4 c. cider vinegar
1/4 c. water
1 1/2 tsp. celery seed
1 1/2 tsp. mustard seed
1/2 tsp. salt
2 tbsp. sugar
1/4 tsp. coarse grind pepper

Skin and cut onions into 1/4" slices, separate into rings. Peel tomatoes, cut into quarters. Slice green pepper lengthwise into strips. Place all in shallow bowl.

In a saucepan, mix together vinegar, water and seasonings. Bring to boiling and boil hard 1 minute only. Pour, while hot, over vegetables. Chill. Serve as relish and salad combined. Mixture will keep in refrigerator several days. Sauce may be used again.