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 or crisp? ›

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.

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.

Why are my cookies crisp? ›

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.

What are three factors that cause a cookie to be crisp? ›

Final answer: The crispness of a cookie is influenced by the ingredients, their proportions, and the baking conditions.

What keeps cookies soft and chewy? ›

Putting a slice of fresh white bread in the container with the cookies will help the cookies stay soft: fresh bread is moist, and that slice will give up its moisture for the greater good: keeping the cookies from drying out. We recommend white bread so that no flavor is transferred to the cookies.

How chewy should cookies be? ›

A perfect American-style chewy, flat and gooey cookie has a crisp edge, chewiness all the way through and a soft centre. The results vary depending on how you bake them. The key is to always use top-quality ingredients as they'll result in a better cookie; it really is that simple.

What is the secret ingredient to keep cookies soft? ›

If you enjoy your cookies soft and chewy, chances are likely the recipe contains a common ingredient that serves a very specific purpose. No, it's not granulated sugar, nor the butter. It's not the egg, all-purpose flour, or even the vanilla extract. The simple, yet oh-so-necessary component is cornstarch.

How do you keep homemade cookies chewy? ›

A good trick I've learned for softer cookies. After they've baked and cooled completely. Store them in an airtight container with a piece of plain white bread overnight.

Why do my cookies never turn out chewy? ›

Hard cookies: you are over mixing, baking too long, baking at too high a temperature, or some combination of these. Cakey cookies: not enough brown sugar, too much or too little egg, too much flour, maybe you used baking powder instead of baking soda?

How to make crispy cookies soft? ›

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.

What makes cookies fluffy? ›

Room temperature butter is just the right consistency to incorporate air when it's creamed with sugar. These trapped air pockets result in risen, fluffy cookies. If the butter is any warmer, it won't incorporate enough air and your cookies will have less rise.

What ingredient contributes most to the texture of a crisp cookie? ›

Fat is a very important ingredient in cookies – it tenderizes, crisps and browns, adds color and a wonderful flavor that is impossible to duplicate. Butter, our fat of choice, ensures good baking results and adds the most desirable taste, texture and appearance.

What changes cookie texture? ›

Just like in the laboratory, even the seemingly smallest changes can affect the outcome — oven temperature variations, moisture and even the order in which you add the ingredients are just a few of the factors that can affect texture and taste. And while some may love a soft cookie, others prefer a crispier variation.

Should I use baking soda or baking powder in cookies? ›

Baking soda is typically used for chewy cookies, while baking powder is generally used for light and airy cookies. Since baking powder is comprised of a number of ingredients (baking soda, cream of tartar, cornstarch, etc.), using it instead of pure baking soda will affect the taste of your cookies.

Does more sugar make cookies chewy? ›

A few tweaks — more sugar, a dash of milk — can make cookies crispy, chewy, or cakey.

Does baking powder make cookies crunchy? ›

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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