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Indulge in the exquisite Slow-Roasted Filet of Beef with Basil Parmesan Mayonnaise, a tender beef tenderloin seasoned with olive oil, tarragon, and a blend of spices. Served with a creamy basil parmesan mayo made with egg yolks, lemon juice, Parmesan, and Dijon mustard. A gourmet delight for six servings.
Total time110 min
Ingredients15
Serving size6
Calories485
Oven thermometer
Sheet pan
Paper towels
Kitchen string
Aluminum foil
Food processor
Liquid measuring cup
1 whole filet of beef tenderloin, trimmed and tied (4½ pounds)
3 tablespoons good olive oil
4 teaspoons kosher salt
2 teaspoons coarsely ground black pepper
10 to 15 branches fresh tarragon
Basil Parmesan Mayonnaise, for serving (see recipe)
2 extra-large egg yolks, at room temperature