Cantonese congee (粥, zhou — called jook in Cantonese) is the long-simmered rice porridge that is the Cantonese comfort food par excellence — eaten for breakfast, as a remedy for illness, and as a late-night restorative. Unlike northern Chinese zhou, Cantonese jook is cooked until the rice grains have completely dissolved into the liquid, creating a thick, silky, almost cream-like texture with no distinct grain. The traditional cooking time is 1.5 to 3 hours, and the resulting congee should be as smooth as velvet.
The rice ratio: 1 cup of rice to 10-12 cups of liquid (water or stock). This extreme ratio allows the rice to completely dissolve. Use jasmine rice or short-grain rice. The preparation shortcut: Soak raw rice in water for 30 minutes, drain, then mix with 1 tsp neutral oil and a pinch of salt. Freeze the rice overnight. The freezing ruptures the rice cells, dramatically reducing the cooking time needed to dissolve the grains (from 3 hours to approximately 45-60 minutes). The broth: The richest Cantonese jook is made with a pork bone and dried scallop stock, or a chicken stock. Add a few dried scallops (gan bei) to the cooking liquid if using water. Bowl toppings: Sliced ginger, sliced scallion, preserved egg (pi dan), silky pork meatballs, fried dough sticks (you tiao), sesame oil drizzle.
Stopping cooking when the rice is merely soft: Correct Cantonese jook has no intact grains — the rice has completely dissolved. Insufficient liquid: The jook must flow like a thick cream — not thick like gruel.
Eileen Yin-Fei Lo, Mastering the Art of Chinese Cooking (2009); Fuchsia Dunlop, Land of Fish and Rice (2016)