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)

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? ›

Room temperature: Use airtight containers, cookie jars, or plastic bags to prevent air exposure and moisture loss. Keep cookies in a cool, dry area. Refrigerated: Use airtight containers or sealed plastic bags to store cookies in the fridge. Monitor the moisture level to avoid condensation.

What factors cause a cookie to be crisp? ›

Using lower-moisture sugar (granulated) and fat (vegetable shortening), plus a longer, slower bake than normal, produces light, crunchy cookies. That said, using a combination of butter and vegetable shortening (as in the original recipe), or even using all butter, will make an acceptably crunchy chocolate chip cookie.

How do you make cookies soft and chewy again? ›

How to Soften Cookies in the Microwave: Place the stale cookies on a microwave-safe plate and cover them with a damp paper towel. Microwave them in short bursts of 10-15 seconds until they become soft. Be careful not to overdo it, as the cookies can become too soft or lose their texture.

What makes store bought cookies chewy? ›

Cookies are fresh right out of the oven because of the ingredients used to bake them — butter, brown sugar, and egg yolks all contribute to a chewy texture.

How do you make cookies chewy not crunchy? ›

How To Make Cookies Chewy Without Cornstarch
  1. Go heavy on brown sugar. It has more moisture than its granulated counterpart, which means the cookie comes out less crispy. ...
  2. Choose margarine or shortening instead of butter. ...
  3. Use baking powder instead of baking soda. ...
  4. Rest your dough. ...
  5. Shorten baking time.
May 14, 2023

How do you fix crispy cookies? ›

Just wrap a cookie or two in a damp paper towel and then put them in the microwave for about 10 to 15 seconds. The moisture from the paper towel should soften the cookies right up. So if you wonder how to soften hard cookies quickly? Microwave is the way!

What happens to cookies with too much baking soda? ›

Using too much baking soda or baking powder can really mess up a recipe, causing it to rise uncontrollably and taste terrible. But don't freak out if you accidentally poured too much baking soda in cookie dough or added too much baking powder to cake batter. Depending on the situation, you might be able to fix it.

How do you make cookies chewy after baking? ›

There are a few ways to keep cookies chewy and soft. Store them at room temperature in an airtight container. If you notice the cookies are starting to harden, add a slice of bread or a few marshmallows to the bag, the moisture from the bread or marshmallows should soften the cookies within a few hours.

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.

What makes cookies cakey or chewy? ›

The only difference between crisp and cakey chocolate chip cookies is a slight modification to the recipe measurements. Simply adjust the amounts of butter, white sugar, and brown sugar. Begin by measuring out the butter and sugar amounts for your favorite cookie texture, then proceed with the rest of the recipe below.

Does baking powder make cookies crispy? ›

Baking powder contains sodium bicarbonate and acidic salts. The reaction of these two ingredients results in a cookie that is soft and thick, but slightly harder.

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