🍪 Cookie Science 1.4 · Diyar Pastry Lab

🍪 Cookie Science 1.4

How Cold Butter Change Cookie Structure🧈🌡️

Cold or frozen butter stays solid longer in the oven.

Because it doesn’t melt right away, the dough keeps its shape during the early stage of baking.

This gives the cookie time to set its structure before spreading.

As a result:

• The cookie spreads less

• The center stays thicker

• The shape is more defined

• The structure is stronger

Instead of fat melting first, the dough sets first.

That shift in timing is what creates:

• Taller cookies

• Softer centers

• More controlled spread

This is why chilled or frozen dough often produces thicker cookies — even when the recipe is exactly the same.

Butter temperature doesn’t change ingredients.

It changes when structure forms.

In the next part, we’ll look at how chilling the entire dough affects texture even more.

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