Why Are My Chocolate Chip Cookies Flat? (2024)

If your chocolate chip cookies look like they should be served with bacon, scrambled eggs, and a dash of syrup, you have wandered into a very common area of mishap.

You are most certainly not alone. Flat chocolate chip cookies are an extremely regular occurrence, being one of the most frequently searched cookie-related terms on the internet. It is frustrating for so many people and yet we share your pain, as we have been there ourselves many times. More times than we care to remember, actually.

There is good news, however. As soon as you have mastered a few key tips, procedures, and techniques, you will be fine, going forward. Achieving cookie perfection is almost like riding a bike, once you know the potential pitfalls to avoid it becomes second nature and fresh, plump, thick cookies full of verve will never elude you again.

So fear not, The Cravory has your back as the arch enemy of all things flat and horrible. We have not just one or two, but ten tips on how to avoid miserable, flat, downright lifeless cookies.

Let's take a look at the most typical reasons for cookie flatness, and see if we can put you right once and for all. If you have ever caught yourself staring solemnly at a disaster-laden baking tray, asking yourself in despair “why are my chocolate cookies flat” then these tips are for you. In no particular order, by the way.

Bad Baking Soda or Powder

Baking soda or baking powder both play a part in helping the cookies rise, owing to the leavening agents within the powder. The problem is that these agents can lose their efficiency over time.

While this might seem like an obvious one, please make sure you check the expiry date. Out-of-date baking soda or powder is one of the most common reasons for flat cookies, although many people are unaware.

Chill The Dough

Another quite obvious tip that is so commonly overlooked. Now, it can get a little tricky determining how long your dough needs to be refrigerated, because certain doughs need cooling for longer, depending on your mix.

As a general rule, you should always refrigerate your dough for at least 24 hours, although we suggest a longer cooling period of around 36 hours to achieve thicker, more sturdy cookies. That said, if your dough is noticeably sticky, greasy, or wet, you might want to cool it for the maximum amount of time, up to 72 hours.

Cool Butter

The golden rule is this: when butter is too warm, it is too soft. When this happens, your cookies will start to spread before the bake has even started.

You should aim for room temperature - a good way to test this is by a simple finger-pressing technique. You should be leaving a small imprint on the butter. Too much of an indent, and the butter is too warm. No indent means the butter is too cool.

Freeze For 15 Minutes

Another golden rule is this: the colder the dough, the thicker your chocolate chip cookies will be. Just after you have rolled the dough into cookie-shaped spheres, give them a 10 to 15-minute ‘blast’ in the freezer. This will inject lower temperatures into the very core of the cookies, without actually freezing them, and lead to a far lower chance of spreading.

Over-Greased Baking Sheets

You will probably thank us for this later because this is another very common cause of flat cookies that most people are unaware of. Well-prepared dough should have enough fat content to prevent the cookies from sticking to your sheets. It makes logical sense that the cookies would spread slightly when the sheets are greased.

Too Much Sugar

Or possibly even not enough flour. Even worse would be both of those scenarios. Sugar will caramelize when heated. In other words, it turns into liquid. Being over-ambitious with the sugar means over-saturation of liquid in the bake, leading to flat cookies. Not enough flour will lead to an insufficient amount of rising agents, which again causes flat cookies.

Always Line Your Baking Tray

Or if you can, use a silicon mat or even simple parchment paper. This will help the cookies to ‘lock-on’ to the surface of the baking tray and reduce the chances of spreading.

Calm Down!

It is quite tempting to put in a huge amount of elbow grease when creaming the butter and sugar, but this is an area where people often get carried away, leading to flat cookies. The goal here is a quick mix just to blend the ingredients - do too much, and you will add a whopping amount of air into the mix which will weaken the structure, and cause collapse mid-bake.

Too Close For Comfort

Just like us humans, cookies do not like to have their space invaded too much and need a little ‘personal space’. Seriously though, if the cookies are not given enough room to breathe, the airflow is restricted, leading to flat cookies.

You should aim for an ideal cookie count of 12 per baking tray - unless you have a huge industrial oven of course, in which case you are a professional and probably won't be reading this post anyway. Or at least, you shouldn't be.

Allow The Sheets To Cool

Another common mistake is not allowing the baking sheet to cool down in between batches. Wait at least ten minutes before putting your second batch into the oven. You can consider this a bonus tip applicable to burnt cookies because this is a leading cause not just for spreading, but for burning the bases also.

Wrap Up

So there you have it. No need to prepare your cookie bake with both fingers crossed and a quick prayer recital to the cookie gods. All you need is the right procedure, technique, and knowledge.

These tips should help you refrain from producing pancake-flat cookies and if they don't, just keep trying - that's half of the fun, after all. Enjoy yourself, pay attention to these tips, and if it still turns out bad, remember that perseverance is the key to success!

Why Are My Chocolate Chip Cookies Flat? (2024)

FAQs

Why Are My Chocolate Chip Cookies Flat? ›

OVEN IS TOO HOT

How do you keep chocolate chip cookies from going flat? ›

Chill the cookie dough.

Chilling cookie dough helps prevent spreading. The colder the dough, the less the cookies will over-spread into greasy puddles. You'll have thicker, sturdier, and more solid cookies. Whenever I make cookies, I plan ahead and chill the cookie dough overnight.

What causes flat chocolate chip cookies? ›

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. Therefore, as the butter spreads so does the whole liquidy cookie.

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.

How do you stop chocolate chip cookies from spreading? ›

“When chilled cookies bake, the butter stays in a solid form longer, slowing the spread,” says Dawn. “30 to 60 minutes in the refrigerator does wonders, and you can bake the cookies right from the fridge.” Not only will chilling help the fats firm up and the flour hydrate, but it also helps the flavors develop.

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.

What are my cookies not flattening? ›

The most common culprit behind non-spreading cookies is too much flour. This may seem counterintuitive—after all, isn't flour a key ingredient in baking? Yes, but if you add too much flour, your cookies won't spread as they bake.

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.

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.

Why did my cookies turn out flat and crispy? ›

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.

Why do my chocolate chip cookies come out 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 adding more baking powder make cookies fluffier? ›

In this series of photos, you can see that as we increase the baking powder, the cookies tend to rise a little more, but only to a certain point. Eventually, the reaction is so strong and violent that it will actually cause those air pockets to rupture and collapse, delivering a denser, squatter cookie.

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.

How to fix chocolate chip cookies with too much flour? ›

One way is to add in some extra fat, such as more butter or even an extra egg yolk (which contains fat) — this will make the dough easy to work with again. Another way to fix the problem is to add in a bit of extra liquid, such as milk or water, which will help get the dough back to the consistency it needs to be.

How to make cookies keep their shape while baking? ›

My tips are:
  1. Always use unsalted butter. Salted butter contains more water than unsalted. ...
  2. Chill your dough before rolling out, as this will help prevent warping of the shape when transferring to your baking sheet. Once on the sheet, freeze for 10 mins before baking.
  3. Bake your cookies at at least 190C.
Aug 11, 2020

What is the best way to keep chocolate chip cookies fresh? ›

To keep your cookies fresh, you need to keep air out. For that reason, we suggest storing cookies in an airtight container—here are our picks for the best cookie storage containers. Make sure nothing gets in the way of the container and its lid, and double-check that the seal is tight.

How to make cookies keep their shape? ›

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.

How do you keep cookies flat for decorating? ›

Leavener = rise, and you don't want a whole lot of rise out of your cookies. Do you have a tried and true sugar cookie recipe that you love, but the cookies come out a little too domed? Try reducing the leavener (such as baking powder) by a half to a quarter and see what happens. It should definitely help!

Does cornstarch keep cookies from spreading? ›

1. Cookies. Cornstarch does kind of incredible things to cookies. I mean not only does it give them soft centers, prevents them from spreading, and makes them somewhat thick (in a good way), but it also contributes to the chewiness factor, which, in my opinion, is the most important cookie attribute.

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