Soy and ginger roast potatoes
Ingredients: 8 tablespoons sunflower oil, divided 1 large whole garlic bulb, halved widthways 2 1/2 pounds russet or other floury potatoes, skin on and cut into 1 1/2–inch chunks Sea salt and black pepper, to taste 8 scallions, chopped into 1-inch (3cm) chunks 8 garlic cloves, peeled and thinly sliced 4 1/2 inches (12cm) ginger…