Acidulated butter

Heston Blumenthal At Home, p. 260

Ingredients

  • 100g peeled and sliced onion (approx. 1–2 medium onions)
  • 185g dry white wine
  • 300g white wine vinegar
  • 250g unsalted butter, cubed

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Open Heston Blumenthal At Home at page 260 and take a picture with the CookCook app. The ingredients and steps will show up in the app, ready to cook from.

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