Haggis and Pancetta Roulade with Whisky Sauce

Roulade

• 80 g carrots, cut in pieces
• 250 g haggis, skinned, cut in pieces
• 100 g Toulouse sausages, skinned, cut in pieces
• 120 g pancetta, thin slices

Whisky Sauce

• 150 g shallots, halved
• 25 g unsalted butter
• 100 g whisky
• 250 g beef stock
• 1 tsp cornflour
• 1 tsp fine sea salt
• ½ tsp ground black pepper