Ruth'S Salad Dressing - cooking recipe

Ingredients

1 medium onion, chopped
1 cup sour cream
1 cup mayonnaise
1 cup vegetable oil
1/2 cup ketchup
1/2 cup vinegar
1 teaspoon salt
1 teaspoon sugar
1 teaspoon paprika
1/2 teaspoon celery salt
1/2 teaspoon fresh ground black pepper

Preparation

Combine onion, sour cream and mayonnaise.
Mix until thoroughly blended.
Add oil, ketchup, vinegar, salt, sugar, paprika, celery salt and pepper.
Mix well and put in quart jar.
Refrigerate for several hours to blend flavors.