Hot Potato Salad - cooking recipe

Ingredients

4 c. mashed potatoes
1/2 c. butter
1 egg
1/4 c. vinegar
2 Tbsp. sugar
2 Tbsp. pepper
2 Tbsp. prepared mustard
1/4 c. onion, chopped
salt to taste

Preparation

Mash potatoes.
Add egg while very hot.
Blend in other ingredients.
This type of potato salad is good with turnip greens.