1 hour 40 minutes
Here's What You'll Need
beef tenderloin, butter, salt, pepper, heavy whipping cream, garlic, tarragon, parmigiano reggiano, parsley, dijon, shiitake mushrooms, shallot
Cook the Tenderloin
Allow beef to sit at room temp for 1 hour before cooking. Melt butter, then pour on top of tenderloin. Cook at 275 for 1 hour 15 minutes.
Heat butter, add mushrooms and cook until browned and crispy. Add minced shallot, then season with kosher salt. Transfer to a bowl and set aside.
Make Parmesan Cream Sauce
Place heavy cream in a sauce pan, add garlic and tarragon. Boil, then reduce until thickened. Remove garlic and tarragon, then discard. Add rest of ingredients to sauce.
Slice tenderloin ¼" – ½" thick. Then serve with cream sauce on top along with mushrooms and shallots. Sprinkle with flaky sea salt and black pepper.