WHAT TO BUY

2022-12-29 -

15g unsalted butter

140g smoked bacon lardons or cubed pancetta

1 large onion, inely sliced

1kg waxy potatoes, such as

Charlotte or Désirée 100ml dry white wine 100ml crème fraîche grating of nutmeg

1 wheel of reblochon (about 250g), chilled

½ garlic clove

To serve cornichons bitter leaf salad (see tip, right)