Seared Tuna, Sweet & Sour Sauce with Spices & Cranberry

Ingredients

• 1 tablespoon (15 ml) fine sugar
• 3 branches of a star of Badiane (anise star)
• 1/4 teaspoon (1.25 ml) fennel seeds
• 1/2 teaspoon (2.5 ml) coriander seeds
• 3 tablespoons (45 ml) cider vinegar
• 2 cups (500 ml) brown veal stock
• 1/2 cup (125 ml) frozen cranberries
• 1 tablespoon (15 ml) canola oil
• 1/4 lb (4 pieces) fresh tuna
• 1 tablespoon (15 ml) unsalted butter
• 8 baby onions peeled and cut in half
• 1 cup (150 g) oyster mushrooms
• 8 green asparagus (blanched for 2 minutes)
• 1 tablespoon (15 ml) chopped parsley