Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      quart         beef bouillon or stock
   2      cups          sliced onion -- up to 3
     1/4  cup           butter
   1      teaspoon      worcestershire sauce
   2      tablespoons   flour
     1/4  cup           dry vermouth or white wine -- (optional)
   1 1/2  teaspoons     salt

Preparation:

Pour bouillon in crock pot. Cover and set on high. Cook onions slow in large skillet in butter. Cover and let cook 15 minutes. Add remaining ingredients to onions. Stir well and add to stock in crock pot. Cover and cook on low 6 to 8 hours or 3 hours on high.