Stir-Fried Oyster and Shiitake Mushrooms with Garlic

Name: Stir-Fried Oyster and Shiitake Mushrooms with Garlic (Su Chao Shuang Gu 素炒雙菇)
Cuisine: Chinese
Ingredients: 2 spring onions, green parts only, finely sliced; Salt; 200 ml stock; 3 garlic cloves, sliced; 2–3 tbsp cooking oil or lard; 150 g fresh shiitake mushrooms; 275 g oyster mushrooms