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A French Classic: La Gratinée Lyonnaise

Updated: Jan 31

gluten free boules

La Gratinée Lyonnaise is a classic French onion soup that is perfect for a cozy winter meal. It is made with caramelized onions, white wine and topped with a thick layer of melted Gruyère cheese. The soup can be served in individual ramekins, in a crock pot or served in a carved out bread boule. It is guaranteed to impress your guests!

The rich, savory flavors of the caramelized onions and the white wine are complemented by the melted Gruyère cheese.

If you are looking for a delicious and comforting dish to make for your next meal, be sure to try Gratinée Lyonnaise. It is a classic French dish that is sure to please everyone at the table.

Enough talking, let's get cooking!


Serves 4 guests

* Bob's Red Mill all purpose gluten free flour is a good option. Other products are available such as King Arthur gluten free flour.


  1. Cut the top of the bread boules and remove the crumb (similar to carving a pumpkin but make the opening larger to have enough room for the sliced baguette and the melted cheese

  2. Peel and thinly slice the onions

  3. In a pot, bring water and white wine to a boil

  4. In a separate pot, melt the butter and add the onions and cover

  5. Cook for 15 minutes, stir occasionally

  6. Wait for the onion to caramelize, then add the flour and stir well (the onions must be a dark brown color)

  7. Pour 1 ladle full of the boiling water/wine mix into the onions, stir

  8. Then pour the rest of the water/wine mix

  9. Simmer for 15 minutes

  10. Pre-heat oven to 350F (180C)

  11. After the soup has reduced by about 1/4, add salt and pepper

  12. Slice the baguettes and toast them

  13. Pour the soup in each bread boule, top it with slices of toasted baguette and the Gruyère cheese

  14. Bake in oven for 5 to 10 minutes until the cheese is melted and starts bubbling.

  15. Serve right away

  16. Bon Appétit!

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