By Guy Watson
Comforting and colourful, this hearty gratin gets its mild warmth and fruity, spiced edge from the pink peppercorns. A food processor or mandolin will make quick work of the prep, otherwise settle down with a very sharp knife.
Heat the oven to 180°C/Gas 4.
Lightly crush the garlic cloves with the flat of a knife and put them into a small pan with the cream. Slowly bring to a simmer and cook for