Caramelized Onion & Mushroom Dijon Dip

Caramelized Onion & Mushroom Dijon Dip

<60 minutes, Occasion, Snack -

Recipe created by: Runway Chef
Servings: 6-8


  • 1 1/2 tablespoons unsalted butter
  • 1 tablespoons olive oil
  • 2 sweet onions, diced
  • 8 ounces mushrooms, sliced
  • Generous pinch of sea salt
  • 1 1/2 tablespoons fresh thyme + more for garnish (if desired)
  • 1 1/3 cups grated Gruyere cheese
  • 1/4 cup grated Parmesan
  • 1 1/2 tablespoons Maille Old Style Dijon Mustard
  • 4 tablespoons mayonnaise
  • 1 cup sour cream
  • Crostini, crackers or chips, for serving


    1. Melt the butter with the olive oil in an 8-inch ovenproof skillet set over a medium heat burner. Add onions and sauté for 3 minutes before adding the mushrooms, salt and thyme and continue sautéing for 18-20 minutes, stirring occasionally, until the vegetables are golden brown and caramelized.
    2. Remove the pan from the heat and add in the remaining ingredients, reserving 1/3 cup of the Gruyere cheese for the top. Stir until everything is well combined and the cheese begins to melt, then top with remaining Gruyere cheese. Bake in a preheated 375 degree oven for 10 minutes or until the cheese is melted and golden brown. Serve warm with crostini, crackers or chips.