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Book 9, Question 65 · Video

Why Does Pie Dough Like Cold Butter?

Video · 1:45 · Crafty Clover explains, from A Million Whys Book 9

Pie dough likes cold butter because cold butter chunks melt in the oven and leave flaky steam pockets! Warm butter blends in completely. That can make a crust tough or greasy.

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why does pie dough like cold butter?

The Big Idea

Pie dough likes cold butter because cold butter chunks melt in the oven and leave flaky steam pockets! Warm butter blends in completely. That can make a crust tough or greasy.

Cold Chunks

Step one: butter stays in chunks. Cold butter breaks into small pieces that stay solid as the dough is rolled. The rolling flattens those pieces into thin layers between sheets of dough.

Butter Melts

Step two: the oven melts the butter. Butter is about 15 percent water, which turns to steam in the oven. The steam puffs the layers apart as the butter melts.

Flaky Layers

Step three: flaky layers set. When the butter melts and steam escapes, empty pockets are left behind. The dough around them bakes into crisp, flaky layers.

A Closer Look

Let's take a closer look! Cold butter bits stay separate in the dough. Rolling makes thin layers. In the oven, steam puffs open pockets. And the crust bakes up flaky.

Quick Facts

Quick facts! Bakers use ice water so the butter stays cold. Warm butter melts into the flour and makes a tough or greasy crust. Handling dough too long warms the butter with your hands. Wash your hands, and ask a grown-up to run the oven.

Think Like a Scientist

Now, think like a scientist! Feel a bit of grated cold butter and some soft butter. Think about how each would make a different pie crust. Which one stays in pieces? Wash your hands afterward.

Outro

Cold fat is a flake factory. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this