Next, for the mushroom gravy, get olive oil, sliced mushrooms, a shallot ... sauce, mustard, and horseradish, though modern ...

Add tomato paste, Italian seasoning and salt and black pepper; simmer 7 to 10 minutes. Slice steak, top with mushroom sauce; serve alongside vegetables.

While waiting for the steak to get to room temperature make the mushroom sauce. Trim the stems from the mushrooms and sauté in the olive oil in a small saucepan for 2-3 minutes. Add the shallots ...