"Need a foolproof method for cooking tender, buttery beef tenderloin? My go-to method includes a cost-saving option to the pricey cut along with two sauce options...."
INGREDIENTS
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1 (3-pound) beef tenderloin roast, trimmed and tied (see notes for less expensive substitution*)
1 tablespoon olive or avocado oil
Kosher salt and freshly ground black pepper
For serving: Mushroom Sauce or Au Jus
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4 tablespoons butter, divided use
1 tablespoon olive or avocado oil
1 large shallot, sliced
8 ounces sliced white or cremini mushrooms
3/4 cup dry red wine (see notes for options**)
1 teaspoon chopped fresh thyme leaves or 1/4 teaspoon dried
1 teaspoon Wo
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1/2—3/4 cup beef stock or low-sodium canned broth
Kosher salt and freshly ground black pepper