Ingredients

  • 35 precooked meatballs
  • 1 tablespoon vegetable oil
  • 1 onion, chopped
  • 3 cups mushrooms, sliced
  • 1 teaspoon dried thyme
  • 1/2 cup beef broth
  • 1 tablespoon Dijon mustard
  • 1/3 cup sour cream
  • 2 teaspoons cornstarch

Method

  • In a large skillet, heat the oil over medium heat.
  • Cook the onion, mushrooms and thyme, stirring occasionally, until tender and the liquid is evaporated, about 8 minutes.
  • Stir in the beef broth and mustard and bring to a boil.
  • Reduce the heat and simmer for 5 minutes.
  • In a small bowl, whisk together the sour cream, 1 tablespoon water and the cornstarch.
  • Whisk into the sauce.
  • Add the meatballs and simmer until the sauce is thickened, about 2 minutes.