Fixing Flat Cookies and Other Cookie Fails (2024)

Everyone has a different opinion about what makes a cookie "good." Some like flat, lacey cookies with a crispy finish, and others prefer puffy, cake-like cookies. No matter what your cookie preference might be, baking cookies from scratch can test the skills of any home cook. To help you achieve your desired cookie result, we're sharing some of the most common cookie issues and their solutions. Bake on!

Cookie Troubleshooting Guide

Q: Why are my cookies so thin and flat?

The butter or dough was too warm.

Butter should be at room temperature (unless otherwise noted). If the dough seems too soft, chill it for 10 to 15 minutes before baking.

Use shortening instead of butter or a combination of the two if you don't want to sacrifice that buttery flavor.

The dough was too wet.

Using the wrong size egg could also add extra liquid, resulting in too much spreading. Try decreasing the number of eggs in your recipe, or use egg yolks in place of whole eggs.

Too much sugar, not enough flour.

Using too little flour will prevent rising, and too much sugar will result in more spreading since sugar liquefies when heated.

The baking sheet was too warm or greasy.

Always use room temperature baking pans and cool your baking sheet between batches. Bring pans to room temperature quickly by carefully running the bottom of the pan under cool water.

Use parchment paper to prevent your cookie sheets from becoming greasy in between batches.

Using too much baking soda.

Try using baking powder instead of baking soda. Baking soda encourages spreading while baking powder puffs the cookies up. If your recipe calls for 1 teaspoon of baking soda, you would use 3 to 4 teaspoons of baking powder. Caution: This could result in an unwanted flavor shift.

Q: Why are my cookies so puffy and cakey?

Whipping too much air into the dough.

That fluffy texture you want in a cake results from beating a lot of air into the room temperature butter and sugar, and it does the same for cookies. So don't overdo it when you're creaming together the butter and sugar.

Adding too many eggs.

Play with the liquid ratio in your recipe. For added liquid without the leavening properties of eggs, try a tablespoon of water as a replacement for one egg.

Using the wrong type of flour (or just too much flour).

Using too much flour will make your cookies too cakey, so try reducing the flour amount by two tablespoons.

Avoid using cake flour instead; try a mix of all-purpose flour and bread flour for a more dense and chewy texture.

Using too much baking powder.


According to the science geeks at Serious Eats—we love you!—baking powder yields a cakier cookie than baking soda. If your recipe calls for 1 teaspoon baking powder, you would substitute 1/4 teaspoon baking soda. But if you use baking soda instead, your recipe needs acid (like in buttermilk or brown sugar) to activate it.

Q: Why are my cookies so tough and hard?

Using only white sugar.

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). You can also use honey or molasses for a chewier cookie.

Baking for too long.

Try taking your cookies out when they're browning at the edges but not in the center. Leave them on the sheet for about 5 minutes to set completely, then remove them to cool on a rack.

Not using enough fat in the dough.

A greater fat ratio (butter, margarine, shortening, etc.) to flour will result in a more tender cookie. Start by adding just a ¼ cup additional to your recipe. Melting the butter before adding it to the sugar will also up the chew factor.

Overmixing your dough.

Roll or mix your dough as little, and as gently, as you can.

Q: Why are my cookies not crisp enough?

They are underbaked.

Lower your oven temperature and bake longer but at a lower temperature.

Using too much flour or the wrong kind of flour.

Try using an all-purpose flour; its higher protein content results in a crispier cookie.

Too many eggs or other liquids in the dough.

Decrease the number of eggs in your recipe, or use egg yolks in place of whole eggs.

Too high a ratio of brown sugar to white sugar.

Increase the ratio of white sugar to brown sugar, or use all white sugar. Using corn syrup will also help crisp up a cookie when it bakes.

Related:

  • Ready to get baking? Here's how to bake perfect cookies from scratch.
  • Check out our most popular cookie recipes—from the best chocolate chip cookies to big soft ginger cookies to chewy coconut cookies.
  • Get tips for freezing cookies and cookie dough, a smart make-ahead solution for bulk baking.
Fixing Flat Cookies and Other Cookie Fails (2024)

FAQs

Fixing Flat Cookies and Other Cookie Fails? ›

Try decreasing the number of eggs in your recipe, or use egg yolks in place of whole eggs. Too much sugar, not enough flour. Using too little flour will prevent rising, and too much sugar will result in more spreading since sugar liquefies when heated.

How do you fix cookies that are too flat? ›

If your cookies come out of the oven looking flat, you may not have adequately chilled the dough before baking. Chilling times may vary depending on the cookie you're making, but you should typically chill cookie dough in the refrigerator for at least two hours before you pop it in the oven.

Why do my cookies keep failing? ›

Too much sugar, too much butter, or too little flour can all contribute to cookies that are on the run. (In the case of cookies that spread no matter how careful you are preparing the dough and/or the baking sheets, I'd probably turn to another recipe.)

Why are my cookie balls not flattening? ›

If the temperature of your ingredients isn't just right, you won't get the results you want - like when your cookie dough refuses to spread out evenly on the baking sheet. This could be caused by too-cold butter or eggs that haven't been brought to room temperature.

How do you fix failed cookie dough? ›

The easy fix here is to add more flour to the dough, little by little, until it sticks well to the mixer. Be sure you're using a thick, good quality baking sheet, too, as thin dark ones promote browning and will cause cookies to bake faster and burn more easily.

How can I make my cookies fluffier instead of flat? ›

Try using baking powder instead of baking soda. Baking soda encourages spreading while baking powder puffs the cookies up. If your recipe calls for 1 teaspoon of baking soda, you would use 3 to 4 teaspoons of baking powder. Caution: This could result in an unwanted flavor shift.

Should I use baking powder or baking soda for 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.

Can old baking soda make cookies flat? ›

Yes, baking powder and baking soda can expire! Once they've been opened, it's best to use them within six months, so make sure to check expiration dates before you start baking. Expired leavening agents lose their effectiveness, leading to flat cookies.

Does melted butter make cookies flat? ›

Cookies made with melted butter often deflate and become denser when they cool, resulting in a perfectly cooked fudgy center — a similar textural result to brownies that get rapped (aka banged against an oven rack mid-bake to deflate them) or Sarah Kieffer's iconic pan-banging cookies that turn out pleasantly compact.

Why do my toll house cookies come out flat? ›

Flat cookies can be the result of a number of issues. Here are some of the main possibilities: OVEN TEMPERATURE: Be sure to have your oven pre-heated and ready to bake. Also be sure that the thermometer is reading correctly.

Why did my cookies turn out flat and crispy? ›

Too much sugar can cause cookies to come out flat and crispy instead of soft and chewy. This goes for both white sugar and brown sugar. Not enough flour could also be the culprit. Especially with baking, there's much less wiggle room when it comes to having the proper ingredient ratios.

What if I put too much butter in my cookies? ›

Too much butter makes cookies turn out just as you'd expect: very buttery. This batch of cookies was cakey in the middle, but also airy throughout, with crispy edges. They were yellow and slightly puffy in the middle, and brown and super thin around the perimeter.

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 fix flat cookies? ›

Adjust leavening agents: Baking powder and baking soda are responsible for the rise and structure of cookies. If your cookies are too flat, try slightly increasing these leavening agents. Conversely, if your cookies are overly puffy and then collapse into flatness, it could be due to using too much leavening agent.

Why are my cookies flat and greasy? ›

The Problem: Incorrectly Measured Ingredients

Sugar sucks up liquid, and when those cookies bake, it'll release the liquid and cause the cookies to spread out. If you use too much butter, the cookies will end up flat and greasy.

Which temperature of butter makes large cookies? ›

Most cookie recipes call for beating room-temperature butter. At a temperature between 70 and 72 degrees F, butter is soft enough to incorporate air, but not so soft that it will melt immediately in the oven and result in super-thin cookies.

What to do with cookies that came out flat? ›

The Fix: Chilling the Dough

Refrigerate the remaining dough until it feels firm to the touch, one to two hours. This chills the butter, so it won't spread rapidly in the oven. Although your cookies won't be as fluffy as they might have been, they won't turn into pancakes.

Does old baking soda make cookies flat? ›

While baking soda tends to have a long shelf life, it can lose its strength over time and lead to flat baked goods.

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