Stir-Fried Celery with Lily Bulb and Macadamia Nuts

Name: Stir-Fried Celery with Lily Bulb and Macadamia Nuts (Xian Bai He Chao Su 鮮百合炒素)
Cuisine: Chinese
Ingredients: 100 g fresh lily bulb; 60 g roasted macadamia nuts; 2 celery sticks (150 g); 1½ tbsp cooking oil; 4 garlic cloves, halved lengthways; ⅛ tsp caster sugar; Salt