c - if they are small and not over cooked - maximum four minutes steaming and then perhaps tossed off lightly in butter, a quick grind of black pepper.....
If I wasn't getting my shopping delivered, I would get the Christmas sprouts from Aldi. They sell them still on the stalk and I would like to show the kids how they grow.
My father never picked his sprouts until they had some frost on them. They were sweeter then. Supermarket ones are typical mass produced rubbish as they are picked too soon.