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Hóng Kitchen

Hong Kong French Toast (Sai Do Si)

Chinese · Easy · Makes 2 slices (serves 1–2)

Hong Kong French Toast (Sai Do Si)
Hong Kong French Toast (Sai Do Si)
The cha chaan teng's own invention and the tea restaurant's sweetest argument: thick milk bread sandwiched around peanut butter, dipped in the egg-and-milk's custard, deep-fried to the golden shell, and finished with the butter's melting pat and the condensed milk's pour or the golden syrup's thread — the Hong Kong French toast that no French kitchen would recognise and every Hong Kong table defends. The technique is the sandwich's sealing and the fry's control, the toast's whole luxury built in eight minutes.

Quantities live in the recipe card.

The sandwich

  • or the brioche loaf's honest cousin), crusts trimmed
  • the other school)

The custard dip

  • the thinner veil at the fry)

The fry and the finish

- The sandwich's seal: the peanut butter spread to both inner faces (the seal's own glue — the filling caught between two bonded layers, not one sliding sheet) and the slices pressed firmly to a single sandwich, the edges pinched closed. The open-edged sandwich sheds its filling at the fry's turbulence; the sealed sandwich fries as one piece. - The custard's bath and the oil's heat: the sandwich soaked in the custard 1 minute a side (the thick bread's full absorb, the brioche's 30 seconds) and the oil brought to the 170 °C working heat — a drop of the custard bubbling gently at the surface, never the furious fry.
Step 1. The fry — 3 minutes a side at the controlled 170 °C. The soaked sandwich lowered to the oil (the spatula's hold for the first 10 seconds, till the shell's first set), and fried 3 minutes to the even deep gold, turned once with the spatula's full support — the second side 2–3 minutes more. Checkpoint — the shell's colour is the even deep gold of the fried brioche and the sandwich's edge shows no filling's leak — the peanut butter's centre held at its molten inside, and the bread's shell set to its crisp before the centre's sugar could burn.
Step 2. The drain, the butter, the pour. The fried sandwich drained 30 seconds on the paper, plated, and the butter's pat set on the hot shell to its melting gloss — the condensed milk poured over in the zigzag's thread (or the golden syrup's slower line). Checkpoint — the eating test at the first cut: the shell's crisp giving to the bread's custard-soaked, still-light crumb and the peanut butter's molten centre — the hot milk tea's or the iced lemon tea's company at the side, the cha chaan teng's own argument complete. Chef’s Note — the oil's 170 °C discipline is the dish's one technical law: the thick sandwich must cook through to the custard's set centre before the shell's colour completes, and the hotter oil that colours the shell in 90 seconds leaves the centre's egg still raw and wet. The cha chaan teng's flat griddle version (the shallow-fry's 2-minute flip in the oil's film) is the lighter home argument; the deep-fry's full shell is the original's own luxury. Either road, the condensed milk's pour waits for the table — the syrup on the fry's heat caramelises to the shell's sticky end.
Hong Kong French Toast (Sai Do Si)

Hong Kong French Toast (Sai Do Si)

Prep: 10 minutes · Cook: 8 minutes · Total: About 18 minutes · Makes 2 slices (serves 1–2)

Ingredients

The sandwich

  • 2 thick slices white milk bread (the Hong Kong bakery's thick cut, about 3 cm — or the brioche loaf's honest cousin), crusts trimmed
  • 2 tbsp (30 g) smooth peanut butter (or the kaya's coconut jam — the other school)

The custard dip

  • 2 eggs, beaten with 60 ml milk and ½ tsp (2 g) sugar
  • (The lighter argument: 1 egg and 40 ml milk — the thinner veil at the fry)

The fry and the finish

  • 400 ml neutral oil, for the shallow-deep fry (2 cm in the pan)
  • 1 tbsp (15 g) butter; 2 tbsp (40 g) condensed milk, or the golden syrup's thread

Instructions

  1. The fry — 3 minutes a side at the controlled 170 °C. The soaked sandwich lowered to the oil (the spatula's hold for the first 10 seconds, till the shell's first set), and fried 3 minutes to the even deep gold, turned once with the spatula's full support — the second side 2–3 minutes more. Checkpoint — the shell's colour is the even deep gold of the fried brioche and the sandwich's edge shows no filling's leak — the peanut butter's centre held at its molten inside, and the bread's shell set to its crisp before the centre's sugar could burn.
  2. The drain, the butter, the pour. The fried sandwich drained 30 seconds on the paper, plated, and the butter's pat set on the hot shell to its melting gloss — the condensed milk poured over in the zigzag's thread (or the golden syrup's slower line). Checkpoint — the eating test at the first cut: the shell's crisp giving to the bread's custard-soaked, still-light crumb and the peanut butter's molten centre — the hot milk tea's or the iced lemon tea's company at the side, the cha chaan teng's own argument complete.

Troubleshooting

SymptomCauseFix
Filling leaked to the oilThe sandwich unsealedThe filling between two bonded faces; the edges pinched
Shell dark, centre wetThe oil's heat over 175 °CThe 170 °C control; the custard's drop-test before the sandwich
Bread soggy, the custard's poolThe soak over-long at the thin breadThe thick bread's 1 minute; the brioche's 30 seconds

Storage, Make-Ahead & Variations

- The toast serves the fry's moment — the shell's argument is same-minute; the reheated slice is the microwave's soggy apology. The sandwich's assembly (unsoaked) holds 1 day wrapped. - The filling's other school runs the kaya's coconut jam, the red bean's paste, and the cheese's odd-but-honest savoury argument; the topping's register runs the butter-and-syrup's lighter line beside the condensed milk's full pour. The cha chaan teng's whole canon of toasted arguments (the condensed milk on toast's plain slice, the pineapple bun's butter slab) shares this record's afternoon-tea seat.