Kate Ford presents some fasting food for Advent, Sam Marsden looks forward to Christmas fare, and Cornelia van der Poll embarks on her own Operation Mincemeat.

Slow Cooker Butternut Dahl

1 red onion

2 tablespoons rapeseed or sunflower oil

1 teaspoon garlic purée (or 2 garlic cloves, peeled and crushed)

1 teaspoon ginger purée (or 2cm fresh ginger, peeled and grated)

1 red chilli, de-seeded and sliced

4 teaspoons medium curry powder (or 1 teaspoon each of ground cumin, ground coriander, turmeric, cinnamon and crushed mustard seeds)