4 c. cooked diced potatoes
1 1/2 c. chopped celery
1/2 c. chopped onion
1/4 c. sliced radishes
2 tbsp. parsley

Option: You can add a few drops of Italian dressing to the potato and vegetable mixture (not to saturate) before adding mayonnaise mixtures.

Combine and add to above:

1 c. mayonnaise
1 tbsp. vinegar
2 tsp. prepared mustard
1 1/2 to 2 tsp. salt
1 8 tsp. pepper