Effortless. Show-stopping. Beef Tenderloin – Filet Mignon. Boursin Cheese “Butter.” Roasted Eggplant.I say “yes” to all of these things.Boursin Buttered Tenderloin Eggplant Medallions. And, the recipe is truly elementary AND exquisite. Gorgeously gourmet and undemanding. Simply roast the eggplant and colorful petite potatoes, cook the steak sous vide, season, stack, slather in Boursin butter, and…