Instructions

  1. Broil steaks.
  2. Cook onions and garlic in oil; when soft, add mushrooms.
  3. Combine stock and cornstarch.
  4. Add stock to skillet along with horseradish, thyme, and pepper.
  5. Bring the sauce to a boil and cook 1-2 minutes.
  6. Add the sour cream and remove from heat.
  7. Serve over steak.