Creamy Garlic Mushroom Sauce from

  • 4 cups mini portabella or crimini mushrooms, sliced
  • ½ yellow onion, chopped
  • 8 oz heavy cream
  • 1 cup milk
  • 3 teaspoons cornstarch
  • 2 tablespoons oil
  • 1 tablespoon unsalted butter
  • 1 tablespoon chopped fresh thyme
  • 3 cloves garlic, minced
  • 1 tablespoon lemon juice
  • 1 tablespoon finely chopped parsley
  • Kosher salt and black pepper, to taste
  1. Melt butter and olive oil in a large skillet on medium-high heat.
  2. Add onions, mushrooms, and thyme to pan, season with salt and pepper. Add garlic and sauté until onions are translucent and mushrooms are golden brown.
  3. Add cornstarch to milk and stir to combine. Pour milk mixture and cream into pan. Lower temperature and simmer for 6-8 minutes, stirring frequently, until sauce has thickened.
  4. Add parsley and lemon juice, stirring to combine. Add salt and pepper, to taste.