French Onion Soup Au Gratin

Karl Strasser


I make a large batch of this soup because my wife loves it.I freeze it in quart freezer bags so we can put it in a bowl and thaw it in the microwave.


★★★★★ 1 vote

15 Min
1 Hr
Stove Top


  • 1/2 gal
  • 1
    bay leaf
  • 2 tsp
    thyme, dried
  • 1 Tbsp
    worcestershire sauce
  • 5 lb
    onions julienned
  • 1/8 c
    beef base (paste)
  • 1/8 c
    chicken base(paste)
  • 1/2 c
    red wine
  • 1 c
    cream sherry
  • 1/4 c
  • 1/2 c

  • 1 slice
    swiss cheese
  • 1 slice
    provolone cheese
  • 10

How to Make French Onion Soup Au Gratin


  1. Saute the onion until they are light brown.Add the flour to the onions and mix in well.
  2. Add the onions to a large stock pot and the rest of the ingredients and bring to a boil.
  3. Then reduce heat to a simmer. Simmer 1 hour.
    Put soup in a soup crock and add croutons,cheese.
  4. Put under a broiler or a toaster oven until cheese is golden brown.
    Then serve.
  5. Soup can be frozen and served at a later date.

Printable Recipe Card

About French Onion Soup Au Gratin

Main Ingredient: Vegetable
Regional Style: American

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