The banana blossom (hua pli) — the large, burgundy-purple teardrop-shaped flower of the banana plant — prepared for use in Thai cooking through peeling, slicing, and immediate immersion in acidulated water to prevent the rapid browning characteristic of cut banana blossom. The banana blossom's textural character (dense, slightly fibrous, the innermost pale yellow petals tender and almost artichoke-like) and its mild, slightly bitter, slightly astringent flavour make it one of the most distinctive Thai vegetable ingredients. Used in curries, soups, and as the base of yam hua pli — a warm salad with coconut cream dressing, toasted coconut, dried shrimp, and fried shallots.
**Preparing the banana blossom:** 1. Remove the tough outer burgundy petals until the pale yellow inner layers are reached. 2. Slice the entire blossom thinly crosswise. 3. Immediately place in water with lime juice or white vinegar (2 tablespoons per litre) — the phenolic oxidation that causes browning is rapid and irreversible once begun. 4. Squeeze the sliced blossom to remove bitterness before using in salads. **Yam hua pli:** 1. Blanch the prepared blossom slices briefly (1 minute in boiling water). 2. Squeeze dry. 3. Dress: coconut cream (slightly warmed), fish sauce, palm sugar, lime juice, dried shrimp, sliced shallots, fried shallots. 4. Fresh herbs: coriander, mint. 5. Toasted grated coconut: scattered over the surface for fragrance and texture. Decisive moment: The immediate acidulation after cutting. Banana blossom begins to turn brown within 90 seconds of cutting — the phenolase enzyme in the cut surfaces oxidises the phenolic compounds in the flower's tissues rapidly. Acidulated water (lime or vinegar) inhibits the phenolase. Delay: a grey, unappetising blossom. Immediate immersion: a pale, clean, fresh-appearing preparation.
*Thai Food* (2002); *Thai Street Food* (2010)