Saute 1/3 cup chopped onion in 2 tbsp. butter. Put 2 cups water or chicken broth in soup kettle and bring to a boil.
Add onions to broth, plus diced potatoes, ham salt, worchestershire sauce and chopped celery. Paprika or seasoning salt to taste. Cook 15 min. or until potatoes are tender.
Add 3 cups milk (hot milk is preferred) Mix 1 1/2 tbsp. flour with 3 tbsp. water. Add to soup and heat slowly until thickens.
Source: Nora Anderson