He shows us a potato and fennel gratin that can be served au naturel or with a last-minute pastry envelope and a few carvings and pinchings that would see me pulverise the whole thing into a catastrophe, but which anyone who reaches the threshold of minimally coordinated human should totally do as a beautiful ruched pie. You can make and freeze that now and reheat it on Christmas Day.
Preheat oven to 350 degrees F and line mini or full size muffin tins with liners and spray with cooking oil. Yes, I spray the muffin liners as well so that they come out of easily and clean up is easier. Pro tip: Clean up is easier using full size muffin tins. Wash and drain the chopped spinach very well.