Potato Salad - cooking recipe

Ingredients

11 small red potatoes
3/4 onion
1 heaping tsp. mustard
1 c. mayonnaise
1 to 2 tsp. sugar
1 to 2 Tbsp. apple cider vinegar
salt and pepper

Preparation

Cook potatoes in skin until fork goes through.
When slightly warm, peel and slice.
Add chopped onion and let sit on top (while still warm).