Comfort Food: Slow Roast Pork Belly With Mustard Mash

Ingredients

• 2 apples
• 2 red onions
• 2 banana shallots or 1 large white onion
• Few sprigs thyme
• 3 pounds 5 ounces pork belly
• olive oil
• 1 pound 9 ounces King Edward Potatoes
• Scant 1/2 cup milk
• 3 1/2 tablespoons unsalted butter
• 1 teaspoon Dijon mustard
• 2 teaspoons grainy mustard
• 1/2 teaspoon freshly grated nutmeg (or 1/4 teaspoon ground nutmeg)
• 1/2 cup white wine
• 1 tablespoon plain flour
• Salt and freshly ground black pepper