Wok-Fried Brussels Sprouts and Bacon with Crispy Chestnuts

Ingredients

• 2 tbsp. vegetable oil
• 1 lb. Brussels sprouts, end trimmed, halved lengthwise
• 4 oz. slab bacon, cut into 1/2-inch lardons
• 2 tsp. minced garlic
• 2 tsp. minced ginger
• 2 tsp. sugar
• 1⁄4 cup chicken or vegetable stock
• 2 tbsp. soy sauce
• 8 scallions, cut into 2-inch pieces
• 3 tbsp. unsalted butter
• 1⁄2 cup vacuum-packed cooked chestnuts, cut into 1/4-inch slices
• Flaky sea salt