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Easy
10 min
Published 1986
This classic dish cannot be made quickly. In traditional French farmhouses it simmers on the hob all day. One of the most important things to remember is not to brown the onions; they should remain translucent throughout.
Heat the butter and oil in a saucepan and gently soften the onions for about 15 minutes. Add the seasoning and sugar, and leave to cook for 30 minutes. Then add the flour and stir continuously for another few minutes. Add the boiling water and vermouth. Cover and simmer for 45 minutes. Taste and correct the seasoning. Before serving, add the brandy, Worcestershire sauce and Tabasco, then pour t
