Chateaubriand And Lobster Recipe

• 1 lb russet potatoes, peeled
• 2 Tbsp. butter
• 2 tsp chopped parsley
• 2 Tbsp. white wine vinegar
• 1 Tbsp. dry white wine
• 1 Tbsp. chopped shallots
• 1 Tbsp. chopped tarragon
• 3 x black peppercorns, cracked
• 2 x egg yolks
• 1/2 tsp freshly squeezed lemon juice
• 1/2 c. melted butter
• 1/2 tsp chopped chervil
• 1 lb center-cut beef tenderloin, prime or possibly choice grade, side muscle removed
• 2 Tbsp. extra virgin olive oil
• 2 clv garlic, mashed to a paste
• 2 x frzn lobster tails, about 8 ounces each, thawed
• 2 Tbsp. butter, softened
• 2 clv garlic, mashed to a paste

Directions