Burger falling apart

What actually holds a patty together

Two things: fat, which melts and binds the meat as it cools, and a small amount of protein drawn to the surface of the mince by handling and by salt.

Lean mince has too little of the first. Twenty per cent fat or coarser is not an indulgence in a burger — it is structural, and a five per cent patty will crumble however carefully it is made.

The second is why a burger holds together at all without a binder, and also why over-handling is a problem: work the mince too much and the protein forms a springy, sausage-like matrix. That version holds together beautifully and eats like a bouncy meatloaf.

What is causing it

• Mince too lean. Five or twelve per cent fat cannot bind. Use twenty per cent or ask a butcher to mince chuck coarsely.
• Salted through the mince. Salt mixed into the meat dissolves proteins and gives a sausage texture. Season the outside only, just before cooking.
• Not chilled. Warm fat smears rather than binding. Chill the formed patties before they go in the pan.
• Turned too early. A patty needs to set a crust before it can be moved. Lifting it at ninety seconds tears it.
• Turned too often. Every turn is a chance to break it.
• Pressed with a spatula, which squeezes out the fat that was holding it together.
• Too large and too thin, so there is nothing structural in the middle.

Making one that holds

1. Start with coarse mince at twenty per cent fat or more. Chuck and brisket are the classic mincing cuts.
2. Handle it as little as possible. Divide it into portions and form each into a loose ball, then flatten gently.
3. Make a shallow dimple in the centre with your thumb so it does not dome as it contracts.
4. Chill the patties for at least twenty minutes. Cold fat holds shape.
5. Season the outside only, with salt, immediately before cooking.
6. Cook in a very hot heavy pan or on a hot grill. Leave it alone for three minutes so a crust forms, then turn once.
7. Do not press it. Ever.

Why not egg and breadcrumbs

They work

A patty with egg and breadcrumbs will hold together reliably.

And they change what it is

That is a meatball, a rissole or a Salisbury steak — a perfectly good thing and not a burger.

The texture goes dense

Breadcrumbs absorb the juices and the result is uniform rather than loose and open.

If you want them, own it

Some traditions do exactly this and are better for it. Just do not expect a burger.

Safety

Mince has a much larger surface area than a whole cut and is handled differently for that reason. How thoroughly meat, poultry and fish should be cooked, and how they should be stored, chilled and reheated, are food-safety questions rather than culinary ones. FoodHQ publishes no temperature, time or storage window for them — follow current Food Standards Agency guidance.

Common questions