Cut pork belly into small cubes
Render pork slowly in a pan until fat releases and meat lightly browns
Add shallots and garlic and cook until golden
Add soy sauce, dark soy, rice wine, sugar, star anise, cinnamon, and white pepper
Add water just to cover and simmer gently for 45 to 60 minutes until rich and glossy
Taste and adjust seasoning
Spoon generously over hot rice
Top with egg if using
