Roasted Beef Tenderloin with Caramelized Onions | RICARDO

Ingredients

• 2 teaspoons (10 ml) mustard seeds, crushed
• 1 teaspoon (5 ml) coriander seeds, crushed
• 1 teaspoon (5 ml) black peppercorns, crushed
• 1/4 teaspoon (1 ml) ground cinnamon
• 1 roast, about 3 lbs (1.4 kg) beef tenderloin, center cut or top sirloin
• 2 tablespoons (30 ml) Dijon mustard
• 4 onions, thinly sliced
• 1/4 cup (60 ml) butter
• Salt and pepper
• 2 tablespoons (30 ml) cornstarch
• 2 tablespoons (30 ml) water
• 8 cups (2 litres) chicken broth
• 2 cups (500 ml) Marsala wine or Pineau des Charentes
• 2 tablespoons (30 ml) molasses
• 1/2 cup (125 ml) 35% cream
• 1/4 cup (60 ml) unsalted butter