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. The baking sheet was too warm or greasy.

How to fix cookies that are too flat? ›

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 not flattening enough? ›

If your oven is too hot or too cold, it may influence whether or not your cookies spread properly. If you didn't preheat your oven to the correct temperature before placing your tray of cookies in the oven, it will be too cold and your cookies won't have enough time to spread.

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.

How do you fix failed cookie dough? ›

First, try adding more liquid to the dough. This can be milk, water, or even just a little bit of extra oil. If that doesn't work, you can try kneading the dough for a few minutes to help it come together. Lastly, if all else fails, you can always add in a few tablespoons of flour to help bind the dough together.

How do you make cookies fluffy and not 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.

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.

What ingredient keeps cookies from going flat? ›

Adding chocolate chips to the cookie recipe actually helps your cookies from spreading in the oven. They give the cookies structure and will keep your cookies from going flat.

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 are my cookies flat and crispy? ›

OVEN IS TOO HOT

Oven temperatures are a crucial factor in baking. If your cookies consistently come out flat, you may have selected the wrong baking temperature. If you bake cookies using too much heat, the fats in the dough begin to melt before the other ingredients can cook together and form your cookie's rise.

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 are the 15 common mistakes in making cookie dough? ›

14 Cookie Dough Mistakes That Everyone Makes
  • Assuming You Can Never Eat Raw Cookie Dough. ...
  • Using The Wrong Type Of Flour. ...
  • Throwing All Your Ingredients In At The Same Time. ...
  • Measuring Your Ingredients Poorly. ...
  • Overmixing Your Cookie Dough. ...
  • ‌Forgetting To Chill Your Dough. ...
  • Softening Your Butter Too Much.
Feb 28, 2024

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 flat and wrinkly? ›

Not Enough Flour

If your cookies are flat, brown, crispy, and possibly even a bit lacy around the edges, that means you need to add flour to your dough for the next batch.

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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