The large, purple, torpedo-shaped flower of the banana plant — hua plee — is a distinctive Thai ingredient used in curries, salads (yam hua plee), and certain broth preparations. Its outer purple bracts are peeled back to reveal the tender inner leaves and the small, undeveloped bananas within. The primary technical challenge of banana blossom is its rapid, severe oxidation — the cut interior surfaces turn from cream-white to a dark, unappealing brown within minutes of cutting, and the tannins responsible for this oxidation must be neutralised with acidulated water.
**Preparation:** 1. Fill a large bowl with cold water and the juice of 2 limes (or 2 tablespoons of white vinegar per litre of water). 2. Peel back and discard the outer purple bracts until the pale, cream-white to yellow inner section is reached. 3. Immediately — as each layer is cut — submerge the cut surfaces in the acidulated water. Speed is important: the oxidation begins within seconds of cutting. 4. Thinly slice the tender inner layers. Return to acidulated water. 5. Squeeze the sliced banana blossom firmly to remove bitterness and any remaining oxidation compounds before using. **For raw salads:** Some preparations use the banana blossom raw after the acidulated water treatment. The texture is crisp, firm, and slightly tannic — suited to dressings with strong fish sauce and lime juice character. **For curries:** Blanch the drained, squeezed banana blossom in boiling salted water for 3–5 minutes before adding to the curry. **The small flowers and developing bananas:** The small, tubular flowers within each bract and the tiny undeveloped bananas are edible and can be used in certain preparations. In central Thai cooking, the inner heart of the blossom is the most prized section.
David Thompson, *Thai Food* (2002); *Thai Street Food* (2010)