French Onion Scalloped Potatoes

75 mins
Serves 4
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Directions

  1. 1Peel and thinly slice the potatoes using a mandoline.
  2. 2Slice the onions.
  3. 3Caramelize onions in olive oil and salt over medium-low heat until deep brown.
  4. 4Add flour and mix for 2-3 minutes.
  5. 5Add beef stock and bring to a light boil.
  6. 6Stir in cream, Gruyère cheese, Dijon mustard, and Worcestershire sauce.
  7. 7Mix for 3-4 minutes.
  8. 8Layer potatoes and sauce in a casserole dish, top with more Gruyère cheese.
  9. 9Bake covered at 400°F for 1 hour, then broil until crispy.
  10. 10Let cool and serve.

Ingredients

  • 4 taters potatoes
  • 3 large onions
  • 1 large tbsp flour
  • 2 cups beef stock
  • 1 cup cream
  • 1 cup Gruyère cheese
  • 1 tbsp Worcestershire sauce
  • 1 tsp Dijon mustard
  • 1 sprig thyme
  • 1 bay leaf
  • 1 pinch olive oil
  • 1 pinch salt

Equipment

knifemandolinelarge potwooden spooncasserole dishgrater