Lyonnaise Sauce

Lyonnaise Sauce

The Sauce Lyonnaise goes with roasted meat, grilled pork and poultry dishes. Here is how to prepare it using demi-glace, onions, and vinegar.
  • Preparation:
  • Cooking:
  • Total:
  • Serves: 6 persons



  1. Step 1

    In a heavy-bottomed saucepan, melt the butter and cook the onions over medium-high heat until they turn a light golden brown. You are sautéing rather than sweating the onions.
  2. Step 2

    Add the vinegar and heat the mixture until the liquid boils.
  3. Step 3

    Lower the heat a bit and continue simmering until the liquid has reduced by half.
  4. Step 4

    Add the demi-glace, then lower heat to a simmer and reduce for about 10 minutes.
  5. Step 5

    Strain through a mesh strainer (optional) and serve right away.