Bitterballen

Bitterballen are small deep-fried balls of thick beef ragout, breaded in egg and breadcrumbs until the crust shatters at the first bite and the filling runs warm and glossy underneath. They are the anchor of the Dutch borrelhap — the spread of small savoury snacks served with a beer or a jenever — and no bar menu in the Netherlands is taken seriously without them.

What it really is

The filling starts as a stiff roux of butter and flour, loosened with beef stock until it becomes a thick, spoonable ragout, then bound with finely chopped or shredded beef, a good grating of nutmeg, and parsley. The whole batch is chilled until firm enough to roll into two-bite balls, which are then breaded — flour, beaten egg, breadcrumbs — and deep-fried at high heat so the outside sets into a shell before the ragout inside has time to leak out. Done right, the shell should crack cleanly and the filling should still be too hot to eat straight away; that gap between crisp shell and molten centre is the entire point of the dish.

Mustard is not a garnish here — it is the counterweight. A sharp, coarse Dutch mustard cuts through the richness of the roux, and a bitterbal without it is only half-finished.

How it's served

• On a small plate or in a paper cone, six to eight at a time, with a pot of mustard for dipping.
• Piping hot, straight from the fryer — they lose their point once they cool.
• As part of a shared bittergarnituur platter alongside other fried snacks, or on their own with a beer.

How to write it on the menu

• List the portion count (six, eight, twelve) rather than a weight — that is how Dutch menus price them, and guests expect it.
• Flag the wheat and egg from the breading and the milk from the butter in the ragout.
• Note that the filling is beef ragout, not a generic "meatball" — guests who ask are usually checking it isn't a vegetarian croquette.