What Makes Some Cookies Chewy and Some Crisp? | undefined (2024)

ATK Kids

Kids can explore the answer with a sweet science experiment that’ll leave you with a mixed batch of sugar cookies.

Published Dec. 17, 2021.

The ingredients you use and how you shape your cookies both play an important role in whether your cookies turn out crispy or chewy. The type of flour and sugar you use, if your cookie dough contains eggs, and whether you use melted or softened butter all factor into the crispy-chewy equation, too.

To explore one side of the crispy-chewy conundrum, we created an edible science experiment for kids in The Complete Cookbook for Young Scientists (you can also find it on our kid-friendly website). Kids bake one batch of cookies with white granulated sugar, and one batch of cookies with dark brown sugar. Naturally, there’s a taste test to help them determine the results.

What Makes Some Cookies Chewy and Some Crisp? | undefined (2)

The Complete Cookbook for Young Scientists

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As kids eat and examine the cookies, they’ll notice that the cookies made with brown sugar are darker in color; have a moister, chewier texture; and bend easily. Their cookies made with white sugar will be lighter in color; have a drier, crispier texture; and will snap when bent. That’s partly due to brown sugar (which is just granulated white sugar with molasses added to it) adding more water to the cookies than white sugar thanks to that molasses.

Another reason cookies made with brown sugar are moister and chewier? Sugar is hygroscopic—it’s really good at absorbing and holding on to water from its surroundings. And brown sugar is even more hygroscopic than white sugar.

Bottom line: When it comes to cookies, the type of sugar you use matters.

Hey! Did you know ATK Kids has itsvery own YouTube channel? Subscribe now and watch great, funny, silly, and delicious cooking videos for the whole family.

Check out our new series,ScientificallyDelicious.

What Makes Some Cookies Chewy and Some Crisp? | undefined (2024)

FAQs

What Makes Some Cookies Chewy and Some Crisp? | undefined? ›

The ingredients you use and how you shape your cookies both play an important role in whether your cookies turn out crispy or chewy. The type of flour and sugar you use, if your cookie dough contains eggs, and whether you use melted or softened butter all factor into the crispy-chewy equation, too.

What makes a cookie chewy and crispy? ›

Sugar dissolved in baking forms a syrup as the dough heats up. Different types of sugars affect the texture because they absorb different amounts of water. Remember moisture is the key! White sugar creates crispier cookies and brown sugar creates chewier cookies.

What is the secret to chewy cookies? ›

Cornstarch helps product soft and thick cookies. Using more brown sugar than white sugar results in a moister, softer cookie. An extra egg yolk increases chewiness. Rolling the cookie dough balls to be tall and lumpy instead of wide and smooth gives the cookies a bakery-style textured thickness.

Why did my cookies come out chewy? ›

Brown sugar—particularly dark brown sugar—makes a cookie chewy; white sugar makes it crispy. If your recipe calls for all white sugar and you want a fudgier result, try swapping out some of the white sugar for brown (go for half and half and adjust from there).

Why are my cookies crispy instead of soft? ›

Adding too little flour can cause cookies to be flat, greasy, and crispy. Most recipes assume you'll use all-purpose, but if you want a lighter, crumblier cookie texture, choose one with a lower protein content such as cake-and-pastry flour. Baking soda helps cookies spread outward and upward while cooking.

How do you keep cookies crisp and chewy? ›

How do you store cookies to stay crisp? To keep crispy cookies crisp, you need to keep them away from moisture. Always store different types of cookies separately—soft cookies can cause crispy cookies to soften due to their extra moisture. Place crispy cookies in an airtight container, but don't completely seal it.

What contributes to a chewy cookie? ›

Cookies that are dense and chewy incorporate more moisture into the batter. This can be achieved by making substitutions with wet and dry ingredients, or even just changing the way you incorporate certain ingredients. Plus, your particular baking technique and your method of storing cookies can also play a role.

What flour is best for chewy cookies? ›

Bread Flour: For Chewy Texture

Bread flour contains a higher protein content (around 12-14%), leading to more gluten development. This makes it ideal for bakers seeking a chewier texture in their cookies. The extra gluten can help retain gas and moisture, producing a denser and chewier result.

How to make cookies chewy after baking? ›

The best way to soften up those hard cookies is something you probably already have in your kitchen… bread! That's right, a piece of fresh bread will make those tough treats soft and chewy.

What makes cookies cakey or chewy? ›

Fat Type: Melting butter before mixing can produce a chewier cookie, whereas creaming cold butter often leads to a more cakey texture.

Why are my cookies not flat and chewy? ›

This may seem counterintuitive—after all, isn't flour a key ingredient in baking? Yes, but if you add too much flour, your cookies won't spread as they bake. Too much flour causes the dough to become dry and crumbly, which prevents it from flattening out during baking.

What makes a cookie crisp vs chewy? ›

The ingredients you use and how you shape your cookies both play an important role in whether your cookies turn out crispy or chewy. The type of flour and sugar you use, if your cookie dough contains eggs, and whether you use melted or softened butter all factor into the crispy-chewy equation, too.

What causes the crispness of a cookie? ›

The crispness of a cookie is influenced by the ingredients, their proportions, and the baking conditions. Too much sugar and butter can cause a cookie to be too crisp, while too many eggs or insufficient baking time can make it too soft.

How do you make cookies chewy after baking? ›

The best way to soften up those hard cookies is something you probably already have in your kitchen… bread! That's right, a piece of fresh bread will make those tough treats soft and chewy.

Does melting butter make cookies chewy? ›

By switching up the technique, I omitted all the extra air that gets incorporated into the dough during creaming, and as a result, the cookies made with melted butter were significantly chewier and fudgier than those made with creamed butter.

What makes cookies flat and crispy? ›

Melted butter – To achieve thin and crisp cookies, I've discovered that melted butter is really crucial. Melted butter helps the cookies to spread out and become flatter with crisp edges.

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