Potato Salad - cooking recipe

Ingredients

1/2 c. sour cream
1 c. mayonnaise
3 Tbsp. vinegar
3 Tbsp. mustard
dash of salt
1 onion, chopped
8 eggs, boiled, peeled and chopped
3 c. mashed potatoes

Preparation

Mix all together.
Garnish with a cup of ripe tomatoes.