4 lbs medium sized potatoes
¼ cup vegetable oil
¼ cup vinegar
1 Tablespoon salt
½ teaspoon pepper
1 cup celery, sliced diagonally
1 large onion
1 medium sized green pepper, diced
1 small jar pimentos, chopped
½ cup mayonnaise or salad dressing
½ cup sour cream or plain yogurt
lettuce
tomato wedges

Cook potatoes whole in boiling water until tender, approximately 30 minutes. Drain, peel, and cut into cubes.
Place potatoes in a large bowl. Pour oil, vinegar, salt, pepper, and onion over and toss until potatoes are moistened
Cover and refrigerate for 2 to 3 hours until marinade is absorbed.
Add green pepper, celery, and pimento to potatoes.
Combine mayonnaise and sour cream. Add to potatoes and toss gently to coat
Chill and serve in lettuce lined bowl. Garnish with tomato wedges around edge.