Old-Fashioned Potato Salad ....

2 lbs potatoes peeled

1 1/2 cups mayo or salad dressing

1 tbs apple cider vinegar

1 tbs yellow mustard

1 tsp kosher salt

1/4 tsp black ground pepper

1/2 cup chopped onion

1/2 cup chopped celery

4 hard boiled eggs chopped

Heat 1 inch water (salted if desired) to boiling in 3-quart saucepan. Add potatoes. Cover and heat to boiling; reduce heat. Cook 30 to 35 minutes or until tender; drain. Cool slightly; cut into cubes.

Mix mayonnaise, vinegar, mustard, salt and pepper in large glass or plastic bowl. Add potatoes, celery and onion; toss. Stir in eggs. Cover and refrigerate at least 4 hours until chilled.
Stir a tablespoon or two of pesto into the dressing for an extra flavor hit.