Sour Cream Potato Salad
["4 c. cooked diced potatoes", "1 c. cooked diced celery", "1/2 c. cooked diced cucumbers", "1/4 c. cooked diced onions", "1 Tbsp. mustard", "1 1/2 tsp. salt", "1/2 tsp. pepper", "3 hard-boiled eggs", "1 c. sour cream", "1/2 c. mayonnaise", "3 to 4 Tbsp. vinegar (depending on the strength)"]
["Prepare early in the day or the night before as this tends to season better and keep refrigerated until shortly before ready to use."]
["potatoes", "celery", "cucumbers", "onions", "mustard", "salt", "pepper", "eggs", "sour cream", "mayonnaise", "vinegar"]