Grains & starch · St

Starch

Gelatinises at 62–72 °C

Per 100 g

381 kcal Energy

0.3 g Protein

91.3 g Carbs

0.1 g Fat

0.9 g Fibre

Trace risk

Let’s cook with it → Invent something with it

What it is for

They build structure. Starch granules swell in hot water, burst, and weave a net that traps the liquid — most of what you call body comes from here. Wheat does one extra job on top: gluten.

Where it catches you out

Starch does nothing before 62 °C, and acid cuts the chains during a long boil. Think about your thickener after the heat and before the acid.

The knack

Never tip it into hot liquid; slurry it in cold water first, or you get lumps that are set outside and raw inside.

Storage and health

How to keep it, and who it suits.

Keeping it

Airtight and dry it keeps almost indefinitely; once it takes up moisture it clumps and never disperses cleanly again.

Cross-contamination risk

In Turkey starch usually means corn starch, which is gluten-free, but wheat starch is sold under the same name. Do not assume gluten-free without reading the label.

What it works with

Pairings, and the reason for each

"They go well together" is not an explanation. Every pairing below has a chemical or structural mechanism under it.

Milk →

Granules swell above 60 °C, amylose leaches out and forms the continuous gel, and casein micelles disperse within it. Muhallebi’s opaque set is the product of both.

Egg →

Starch raises the temperature at which egg proteins aggregate and physically blocks protein-to-protein contact. That is exactly why a floured pastry cream can be boiled while a plain custard curdles.

Lemon →

Acid hydrolyses the glycosidic bonds in amylose. Added before the gel sets, the body drops irreversibly; added after, the sauce survives.

Also works with

Water

Sugar

Butter

Saffron

What it fights with

Sugar

High sugar competes for water and raises the gelatinisation temperature, so doubling it makes the same recipe fail.

What goes on top

Cinnamon, crushed walnut or pistachio, molasses, rosewater

Key compounds

Amiloz: Linear; gives firm sliceable gels and resistant starch.
Amilopektin: Branched; gives viscosity but weeps on freeze–thaw.

Nutritionally

Cooling gelatinised starch turns amylose into resistant starch that passes undigested to the colon and measurably lowers postprandial glucose. The effect survives reheating.

Quick ideas