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? ›

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.

How to fix cookies that are too flat? ›

Avoid packing the flour into the cup, as this can lead to using too much flour and result in dry, 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.

Why are my cookies flat and falling apart? ›

The Problem: Your Oven Is Too Hot

If your cookies repeatedly turn out flat, no matter the recipe, chances are your oven is too hot. Here's what's happening. The butter melts super quickly in a too-hot oven before the other ingredients have firmed up into a cookie structure.

What is the secret to not flat cookies? ›

Use a silicone baking mat or parchment paper. Coating your baking sheet with nonstick spray or butter creates an overly greasy foundation, causing the cookies to spread. I always recommend a silicone baking mat because they grip onto the bottom of your cookie dough, preventing the cookies from spreading too much.

Why are my cookies failing? ›

The most common culprit is leavening agents (like Baking Soda and Baking Powder) that are expired. Another possible cause is too much butter in the dough or not enough flour. Surprisingly, weather (aka humidity, elevation etc) can play a huge roll in your cookies spreading or not.

How do you make cookies fat not flat? ›

We get that you're anxious, but if you want fluffy cookies, you seriously need to chill… the dough. Why? Because of that whole issue with butter melting prematurely. Refrigerate your batter for at least 10 minutes before scooping it onto a baking sheet.

Why are my Snickerdoodles flat? ›

Why are my snickerdoodles flat? Snickerdoodles can come out flat if 1) the leaveners you used (for this recipe, it's both the baking soda and the cream of tartar) are on the old side and no longer work, and 2) if you baked them at a lower temperature. First, figure out if it's your leavener.

What to add if cookies are falling apart? ›

There are a few things you can do to add liquid to your cookie dough if it is too dry and crumbly. One option is to add milk, water, or another liquid until the dough is the right consistency. You can also try adding melted butter or shortening. If your dough is still too dry, you may need to add more flour.

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.

How do you keep cookies from losing their shape? ›

To help cookies keep their shape, freeze them! I freeze each batch of cut-out cookies for 5 to 10 minutes before baking. They rise just slightly higher and keep their shape better. This really helps when using an intricate cookie cutter, but I do this even when baking circles.

What to do with cookies that came out 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.

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.

Why are my cookies spreading so much? ›

Baking cookies in a too-cool oven will cause the fat to melt before your cookies set up, leading to spreading,” Dawn says. Grab an oven thermometer the next time you're in the grocery store so you can be sure your oven is at the correct temperature.

Why are my cookies fluffy instead of flat? ›

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.

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.

What causes cookies to collapse? ›

Improper docks are the most common cause of collapsed canopies. Collapsed canopies should be released to allow reinflation only if it will not make the situation worse. To prevent dropping an entangled jumper into a potential collision, make sure the area behind and below is clear.

How to make your cookies rise more? ›

Baking Powder. The type of leavening you use in your cookies doesn't just help them rise while baking, it affects their texture and structure too. Baking soda in cookies yields a denser cookie with craggy tops, while baking powder causes cookies to rise higher during baking for a cakier texture.

Why are my cookies so puffy? ›

A spread with less fat, diet "margarines" or spreads in tubs contain have too much water. The water creates steam, causing the cookies to puff. Low protein flours, such as cake flour, absorb less water, leaving excess water to create steam, which causes the cookies to puff.

Does baking powder flatten cookies? ›

Baking powder is a two-in-one chemical leavening that combines a powdered alkali (sodium bicarbonate) with a powdered acid (originally, tartaric acid). When moistened in a dough or batter, a chemical reaction takes place that produces carbon dioxide gas, inflating cookies, cakes, and pancakes.

How to make cookies keep their shape while baking? ›

Sandwich your dough between two sheets of parchment, roll, then freeze; it makes cut-out cookies a breeze! If you plan to store it for only a few hours or days, there's no need to overwrap the baking sheet; for longer storage, wrap the entire baking sheet tightly with plastic wrap before freezing.

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