Anonymous Mum COOKS/MAKES Christmas FOOD/MEAL. Assuming you mean the main meal on Christmas day, I would say this: Mum [cooks / makes / prepares] Christmas dinner. I wouldn't bother with 'food' or 'meal'.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
AnonymousMum COOKS/MAKES Christmas FOOD/MEAL.Assuming you mean the main meal on Christmas day, I would say this: