Mix 4 tbsp water with 2 tbsp cornstarch. In another bowl, whisk 5 eggs. Whisk in the cornstarch/water mixture.
Heat 2.5-3 tablespoons of oil in frying pan. Add egg mixture and fry on low until eggs cook to golden colour. Remove from pan.
Fry minced pork in the same frying pan until it turns white. Add chilli bean sauce and sugar, stir well. Add minced garlic, minced ginger, chopped mushrooms, soy sauce and rice wine. Stir fry until fragrant. Mix 2 tbsp water with remaining 1 tbsp cornstarch and add to pan. Cook to thicken the sauce.
Pour mixture over the fried eggs and serve.
Add white pepper and sesame oil to taste and garnish with chopped green onions.