Turkey Roast with Chorizo and Herbs

Ingredients

• 2 teaspoons (10 ml) mustard seeds, coarsely ground
• 1/2 teaspoon (2.5 ml) black peppercorns, coarsely ground
• 1/2 teaspoon (2.5 ml) coriander seeds, coarsely ground
• 1/4 teaspoon (1 ml) fennel seeds, coarsely ground
• 1/4 teaspoon (1 ml) ground cinnamon
• 1 teaspoon (5 ml) salt
• 1 turkey roast, about 1 kg to 2-3 lbs (1.4 kg), tied
• 2 tablespoons (30 ml) olive oil
• 11/2 lb (675 g) baby potatoes of various colours
• 2 onions, cut into wedges
• 3 oz (85 g) chorizo sausage, diced (125 ml/1/2 cup)
• 1/4 cup (60 ml) chervil leaves or chopped parsley
• 2 tablespoons (30 ml) chopped fresh chives
• 1 onion, chopped
• 1/4 cup (60 ml) butter
• 3 tablespoons) unbleached all-purpose flour
• 1 cup (250 ml) white wine or cider
• 4 cups (1 litre) chicken broth
• 1/2 cup (125 ml) 35% cream
• 1 tablespoon (15 ml) Dijon mustard
• 1 tablespoon (15 ml) whole-grain mustard
• 1 tablespoon (15 ml) brown sugar
• Salt and pepper