Roast Vegetable Poutine with Buffalo Mozzarella Recipe

Ingredients

• 1 sweet potato (250gm) halved lengthways, cut into long chips
• 2 Desiree potato (200gn) halved lengthways, cut into long chips
• 4 small garlic cloves, unpeeled
• 2½ tbsp extra-virgin olive oil, plus extra for drizzling
• 45 gm vegetable gravy powder (see note)
• 1 tbsp Dijon mustard
• 60 gm unsalted butter
• 300 gm small king mushrooms, trimmed and sliced
• 2 buffalo mozzarella (130gm each) drained, torn
• Baby sorrel and amaranth leaves, to serve