• 500g lamb shoulder, thinly sliced
• 2 tbsp soy sauce
• 1 tbsp oyster sauce
• 1 tbsp hoisin sauce
• 1 tbsp sugar
• 2 cloves garlic, minced
• 1 thumb-sized piece of ginger, minced
• 1 red bell pepper, sliced
• 1 yellow bell pepper, sliced
• 1 medium onion, sliced
• 100g snow peas
• 2 spring onions, chopped
• 2 tbsp vegetable oil
• 1 tbsp sesame oil
• 1 tsp cornstarch mixed with 2 tbsp water (optional for thickening)
• Salt and pepper to taste

Substitutions and Variations:

• Vegetable oil can be substituted with peanut oil for a richer flavor.
• You can use beef or chicken instead of lamb.
• For a vegetarian version, replace lamb with tofu.