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 do you fix cookies that are too flat? ›

Adjust the butter temperature: If your cookies spread too much and turn out flat, it could be due to using butter that is too soft or melted. To fix this, refrigerate the dough for 30 minutes to firm up the butter.

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.

Why won't my cookies flatten? ›

Too much flour causes the dough to become dry and crumbly, which prevents it from flattening out during baking. As a result, your cookies will stay in their original shape instead of spreading out into nice circles.

What if cookies are not baked enough? ›

They are likely not fully cooked if they feel excessively soft or doughy. Properly baked cookies should have a slightly firm texture on the outside. Spread: Raw or undercooked cookies may spread excessively during baking and have a flatter shape than desired.

What makes cookies fluffy and not flat? ›

Flour adds fluff and texture to the cookies. 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.

How do you make cookies thicker and not flat? ›

Chill Your Cookie Dough

Chilling your cookie dough for at least 24 hours or up to 72 hours does magical things to your cookies. Think of this like a “marinating” period. Not only will the flavors intensify, but the texture will also improve, so your cookies will bake up nice and thick and chewy.

What makes 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.

What happens if too much butter is in 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.

Why do my cookies go flat when I bake them? ›

OVEN IS TOO HOT

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 did my cookies come out flat? ›

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.

Is it better to bake cookies at high or low temp? ›

Low temperatures give a cookie time to spread and flatten before it sets, making a crisper cookie. High temperatures make a thick cookie, but the center of the cookie may not cook before the outside browns.

How to make cookies spread more? ›

Higher sugar content will lead to more spread, while lower sugar content will result in less spread. Experimenting with different sugar ratios can help you achieve the desired cookie spread. Flour type and amount: The type and amount of flour used in your cookie dough can also impact the spread.

Will 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.

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.

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