2 large potatoes, peeled and cubed
2 large onions, peeled and sliced
1 (15 ounce) package frozen mixed vegetables and fruit (e.g. carrots, celery, tomatoes, etc.)
Place onion, celery and yellow squash in large bowl; toss well. Stir in the white wine, wine vinegar, white sugar, salt, pepper and olive oil. Season with salt, pepper and potato. Chill until serving.