
Rich, velvety, and just a little unexpected, this hollandaise gets a bright lift from freshly grated ginger and the delicate anise note of fennel fronds. For anyone managing oral allergy syndrome, classic sauces and condiments can be a minefield of hidden plant proteins that trigger that telltale tingle — but this recipe keeps things clean and carefully chosen. The ingredient list is short and straightforward: pasteurized egg yolks, butter, a splash of white wine vinegar, and aromatics that are cooked or finely broken down rather than eaten raw and whole. That matters, because the double-boiler method gently heats the yolks to a safe internal temperature, which also helps neutralize the proteins most likely to cause a reaction. The result is a glossy, spoonable sauce with real depth — warming from the ginger, buttery and smooth throughout, with the optional fennel fronds adding a whisper of freshness at the finish. It comes together with nothing more than a bowl, a saucepan, and a good whisk, making it surprisingly approachable for a sauce that looks this impressive. Spoon it over poached eggs, steamed vegetables, or grilled fish and it instantly elevates the whole plate.
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fennel fronds
Melt the butter in a small saucepan over low heat until fully liquid, then remove from the heat and set aside — it should be warm but not bubbling.
Fill the same saucepan with about 1 inch of water and bring to a bare simmer over medium-low heat. Set a heatproof bowl over the pan, making sure the bottom of the bowl does not touch the water.
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