Steamed minced pork with tung choy on tofu

Ingredients

• 1 tablespoon preserved cabbage (tung choy)
• 200 g minced pork
• 1 packet silken tofu
• Frozen mix vegetables (optional)
• 1/2 tablespoon cornflour, mixed with 1 tablespoon water

Seasoning for minced pork:

• 1 tablespoon light soy sauce
• A pinch of salt and sugar
• A dash of pepper
• A few drops of sesame oil
• 1 tablespoon cornflour

Sauce:

• 1 tablespoon oyster sauce
• 1 teaspoon light soy sauce
• 1 tablespoon oil
• 1 cup water
• Salt and sugar to taste