Pommes Soufflées — Twice-Fried Puffed Potato Slices

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Pommes soufflées are one of the most spectacular and technically demanding preparations in the friture — oval potato slices fried twice at precisely controlled temperatures so they puff into hollow, golden pillows. Legend attributes their discovery to an accident at the inauguration of the Saint-Germain-en-Laye railway in 1837, when the chef had to re-fry cooled potatoes upon the train's late arrival. The science: during the first fry at 150°C, the surface starch gelatinises and a thin crust forms while the interior remains moist. When plunged into hotter oil (190°C), the interior moisture converts to steam explosively, inflating the potato like a balloon — the gelatinised starch crust is flexible enough to expand but strong enough to hold. Not every slice puffs — a success rate of 60-70% is considered good. The technique: select large, oval, waxy-floury potatoes (Bintje or similar — pure waxy won't puff, pure floury disintegrate). Peel and slice into uniform 3mm ovals using a mandoline. Soak in cold water 15 minutes, drain, and dry meticulously between towels. FIRST FRY: lower the slices into 150°C oil in small batches (6-8 slices). Fry for 6-7 minutes, agitating the basket gently — the slices should colour very faintly and begin to develop surface blisters. Remove and drain. Cool for 2-3 minutes. SECOND FRY: plunge immediately into 190°C oil. Within 10-20 seconds, the slices inflate dramatically into golden, hollow pillows. Remove the instant they are fully puffed and golden. Season with fine salt and serve immediately — they begin deflating within 2 minutes.

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