Cantonese Deep-Fried Milk (Zha Xian Nai)

Overview

Zha xian nai: deep-fried milk — a Shunde, Guangdong specialty. Fresh buffalo milk is cooked with egg white, starch, and sugar into a very thick custard, cooled and cut into rectangles, coated in breadcrumbs or batter, then deep-fried until golden. The exterior is crispy; the interior is barely-set, creamy, and trembling. A Cantonese dessert that defies expectation.

Flavour Context

Crispy exterior, warm creamy milk custard interior — an unexpected textural contrast in a deep-fried format

Key Principles

{"The milk custard must be cooked very thick — it must hold its shape when cold without falling apart","Cool completely and cut when very cold — warm custard is too soft to bread properly","Light coating only — too thick a crumb and the interior remains cold when the exterior is done","Fry at 180°C quickly — just long enough to set and colour the coating, not cook through"}

Pro Tips

{"Use buffalo milk or whole milk with high fat — low-fat milk produces insufficient richness","The custard should barely trembled when cut — this trembling quality should survive the frying","Dust with icing sugar and serve immediately — the coating softens as it cools"}

Common Mistakes

{"Under-cooking the custard — doesn't hold shape for cutting and coating","Warm custard when coating — falls apart","Over-frying — the interior becomes completely set and loses the creamy, trembling quality"}

Source

Land of Fish and Rice — Fuchsia Dunlop

Cross-Cuisine Parallels

• Spanish leche frita (fried milk — essentially the same preparation)
• Italian crema fritta (fried custard)
• Japanese age purin (deep-fried pudding)