Why Do My Cakes Sink In The Middle?






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Baking can be a rewarding and enjoyable experience, but it can also be frustrating when things don’t turn out as expected. One common problem that many home bakers encounter is a cake that sinks in the middle. This can happen for a variety of reasons and can leave the baker feeling disappointed and unsure of what went wrong. In this article, we will explore some of the reasons why cakes sink in the middle and offer suggestions for how to prevent this from happening in your future baking endeavors. From issues with oven temperature to recipe errors, there are many factors that can lead to sinking cakes. By understanding these factors and taking steps to avoid them, you can achieve perfectly baked cakes every time. So whether you are a seasoned baker or just starting out, read on to learn more about why cakes sink in the middle and how to prevent this common baking woe.

Understanding the Science of Baking

Baking is a science, and every ingredient plays a crucial role in creating the perfect cake. If you’re experiencing sinkage in your cakes, it’s likely due to a scientific factor that you’ve overlooked. In this section, we’ll dive into the science behind baking and explore how each ingredient affects your cake’s outcome.

The Role of Flour

Flour is one of the most important ingredients in baking, as it provides structure to your cake. The gluten protein in flour forms chains when mixed with water, creating a network that holds up the cake’s crumb structure. Too much flour can result in a dense and dry cake. On the other hand, too little flour can cause your cake to collapse or sink.

The Role of Leaveners

Leaveners are another essential component of baking as they provide lift to your cakes. Baking soda and baking powder are two commonly used leaveners that create carbon dioxide gas when combined with acid or heat. This gas expands within the batter causing it to rise during baking.

However, if too much leavener is used or if there isn’t enough acid present in the recipe for activation – this can cause an overreaction resulting in an inflated dome followed by sinking once cooling begins.

The Role of Sugar

Sugar not only adds sweetness but also contributes moisture retention properties which enhances tenderness and helps support delicate crumbs structures – factors which are key components for preventing sinkage

Excessively high amounts will lead to overly moist batters which cannot support their own weight leading them to collapse while low amounts will lead dry cakes

The Role of Eggs

Eggs play several roles: they add moisture; bind all ingredients together; help emulsify fat (butter/oil) & liquids (milk); contribute richness ; help tenderize texture; increase volume through air incorporation during beating stage.

Too many eggs can cause a cake to rise too high and then collapse while too few will lead to a dense and compact cake.

The Role of Oven Temperature

Oven temperature is critical for baking cakes as it determines how quickly the batter cooks and rises. If your oven temperature is too low, your cake may not rise properly, leading to sinking in the middle. On the other hand, if the oven temperature is too high, your cake may cook too quickly on the outside and prevent proper rising during cooking- you guessed it – leading to sinking in the middle.

The Role of Pan Size

The size of your pan can also affect how evenly your cake bakes. If you use a pan that’s too small for your recipe, there won’t be enough room for the batter to expand causing it to overflow or lead into sinkage due underbaking . Alternatively , using a pan that’s much larger than needed will result in thin layers which are prone to drying out or over-browning

Possible Causes of Sunken Cakes

Sunken cakes are a common baking problem that can leave you feeling discouraged. There are several possible causes of sunken cakes, and in this section, we’ll explore the most likely culprits.


Overmixing your cake batter can lead to excess air being incorporated into it, which will cause it to rise too high and then collapse. This is particularly true for cakes made with baking powder or soda as over mixing will activate their leavening properties resulting in an over inflated dome which sinks once cooling begins. Mixing your batter until the ingredients are just combined is crucial for achieving the right texture.


Underbaking is another common cause of sunken cakes because if the cake isn’t fully cooked, it won’t have enough structure to hold its shape. Make sure you always test your cake by inserting a toothpick or skewer in the middle – when baked properly there should be no wet batter sticking on it

Also make sure to set up an accurate timer as underestimating bake times can result in raw centers while overestimation may result in dryness- both of which may cause sinking due to insufficient structure formation .

Improper Measuring Techniques

Baking requires precise measurements; using too much or too little flour, sugar or other ingredients can throw off the balance causing textural issues like sinking

Using measuring cups instead of weighing scales might lead to inaccurate measurements since cup sizes vary depending on manufacturer . Use standard US cups (240ml) and spoons (15ml) for best results .

Incorrect Oven Temperature

If your oven temperature is not calibrated correctly, your cake may not cook evenly leading to undercooked center with excessive domes that collapse after cooling . It’s essential that you invest in an oven thermometer so you know exactly what temperature your oven is running at .

You should also make sure never open during the first 20 minutes of baking as this can cause fluctuations in temperature leading to uneven heating and subsequent sinking .

Too Much Moisture

If there’s too much moisture in your cake batter, it won’t be able to hold its shape. This is why it’s important to measure ingredients accurately and not overdo it with liquids like milk or other wet ingredients like fruits.

Also, don’t forget to pat dry any fresh fruits that you intend on adding into the batter before mixing them in .

Opening The Oven Door Too Early

Finally, opening the oven door too early – during the middle of cooking – can allow cold air into your oven causing a significant drop in temperature making cakes sink. Make sure you only open the oven door when absolutely necessary (i.e., for checking progress) and wait until at least halfway through baking before doing so.

How to Prevent Sinking Cakes

Preventing sinking cakes requires careful attention to detail when baking. By following the tips in this section, you can ensure that your cakes come out perfectly level every time.

Measure Accurately

Measuring ingredients accurately is key to preventing sinking cakes. Too much or too little of an ingredient can throw off the balance of your batter and cause it to sink in the middle. Use standard US cups (240ml) and spoons (15ml) for consistency.

Also, make sure you measure ingredients by weight instead of volume for better accuracy- especially with flour which has significant variations in density depending on how compacted it is .

Mix Carefully

Mixing your cake batter too much will incorporate excess air into it leading to over-risen dome which sinks after cooling . Make sure you mix just until all ingredients are evenly incorporated while being careful not overdo it .

Also, make sure you scrape down sides and bottom of mixing bowl regularly as unmixed pockets often lead to undercooked centers which collapse once removed from oven .

Proper Oven Temperature

Proper oven temperature is crucial for baking cakes that rise properly without collapsing. Invest in an oven thermometer so that you know exactly what temperature your oven is running at so you can adjust accordingly if necessary.

In addition , avoid opening the oven door excessively during baking especially during the first 20 minutes as this may cause fluctuations in temperature leading to underdeveloped structure formation which causes sinking .

Use Quality Ingredients

Using quality ingredients will help ensure a better outcome when making baked goods including cakes-. This includes using fresh eggs , pure vanilla extract rather than imitation ones and unsalted butter among others .

Also , make sure all dry goods are fresh – such as flour or baking powder – since staleness may also result in reduced leavening effect making cake batters prone sinking due inadequate structure formation

Bake According To The Recipe

Following the recipe instructions is essential for creating perfect cakes. Don’t take shortcuts and make sure you bake the cake for the full recommended time (even if it looks done) as this will ensure that it’s fully cooked and has enough structure to hold its shape.

Also, use the correct pan size as indicated in your recipe to ensure even baking – too small a pan may cause overflow while too large a pan may lead to thin layers prone to over-drying or browning.

Cool Properly

Cooling your cake properly is important to prevent sinking. Allow your cake to cool completely in the pan before removing so that it can set up properly.

In addition, once removed from oven , make sure you check for doneness by inserting a toothpick into center of cake which should come out clean when done . If not give some more time before checking again .

Stabilize The Batter

Using stabilizers such as cornstarch or cream of tartar help prevent sinks by providing support during baking . Adding a tablespoon of either ingredient per cup of flour can go along way in preventing collapses .

Add An Extra Leavener

If you’re still experiencing sinking cakes even after taking all necessary precautions using an extra leavening agent like baking powder or soda may help provide additional support during rising process helping maintain structure formation .

Tips for Fixing Sunken Cakes

No one wants to serve a cake that has sunk in the middle. But don’t worry, there are ways to fix sunken cakes and salvage them. In this section, we’ll explore some tips for fixing sunken cakes.

Trim The Top

If your cake has sunk in the middle but is otherwise cooked through, you can simply trim off the top with a serrated knife to create an even surface. This will help improve presentation and make it easier to decorate.

Make sure you use a long serrated knife held parallel to cake table while trimming as this ensures level cuts .

Fill The Sunken Part With A Filling

Another way to mask sunken cakes is by filling the center with frosting or other fillings like whipped cream or fruit curd . This not only improves taste but also camouflages imperfections making it look more appetizing .

Alternatively , you may consider spreading some jam on top of the sunken area before adding frosting- this provides extra moisture retention which helps support structure formation allowing for better rise during baking .

Add A Topping

Adding toppings such as fresh fruits or whipped cream can cover up any imperfections on your cake and add extra flavor . It’s important that you don’t overdo toppings though as they may increase weight leading back into sinking issues again .

Also avoid using wet toppings like caramel sauce which might further contribute excess moisture into batter leading back into sinking issues.

Create Multiple Layers

Another way of salvaging sunken cakes is by slicing them horizontally creating multiple layers then filling each layer with frosting or fruit curds . This creates a visually appealing dessert without exposing any sinkage underneath- especially if done carefully enough so each layer matches up evenly.

Use Fruit Puree As Binding Agent

Using pureed fruits such as applesauce, bananas or prunes can help bind ingredients together due their natural pectin content providing extra support during baking . It also adds natural sweetness without adding more sugar .

Make sure you use unsweetened versions of the fruits for best results and reduce liquid levels in recipe accordingly to avoid over moistening.

Bake The Cake Again

If your cake has sunk significantly, it may be necessary to bake it again. This time increase oven temperature slightly by 25 degrees Fahrenheit and bake for a shorter period until done. This helps re-activate the leavening agents present in the batter leading to better rise formation .

However , make sure that you don’t overdo this as doing so might lead to dryness or over-browning which can affect taste.

Use A Middle Support

Another way of preventing future sinking is through using a middle support like a flower nail or heating core when baking large cakes . These help distribute heat evenly into center of cake allowing for proper structure formation leading into even rising throughout cake.

Key Takeaways

Here are some key takeaways to help you achieve perfectly baked cakes:

  • Measure accurately using standard US cups (240ml) and spoons (15ml).
  • Mix your batter until just combined avoiding overmixing which incorporates excess air leading to collapsed centers.
  • Bake at the correct temperature by investing in an oven thermometer for better accuracy.
  • Use quality ingredients such as fresh eggs, pure vanilla extract, unsalted butter among others
  • Follow recipe instructions closely including bake times , pan size etc
  • Cool your cake completely before decorating or frosting so it can set up properly
  • Use middle supports like heating cores when baking large cakes for even rising throughout .

Troubleshooting Tips

If your cake still ends up sinking even after applying all these tips don’t worry – there are ways to fix sunken cakes such as trimming tops or adding fillings or toppings . However , prevention is always better than cure so make sure you stick with accurate measuring techniques , proper timings and temperatures among other tips discussed earlier.

Remember that baking is a science that requires attention to detail but also allows room for creativity once mastered. Don’t be afraid to experiment with different flavors or textures while sticking with basic principles discussed earlier on achieving perfect outcomes.

So next time you ask yourself “Why do my cakes sink in the middle?” – remember that by paying attention to details during every step of the process from preparation through decoration can help prevent future issues leading into successful bakes every time!


Why do my cakes sink in the middle?

Cakes sink in the middle when they are underbaked or overbaked. If you take the cake out of the oven too early, the center will not be fully set, and the weight of the cake will cause it to sink in the middle. On the other hand, if you bake the cake for too long, it can dry out, causing it to shrink and sink in the middle.

How can I prevent my cakes from sinking in the middle?

To prevent your cakes from sinking in the middle, first and foremost, make sure you follow the recipe and instructions carefully. Check the cake for doneness by inserting a toothpick in the center. If it comes out clean, the cake is done. If not, let it bake for a few more minutes. Additionally, avoid opening the oven door frequently while the cake is baking. Temperature fluctuations can cause the cake to sink.

Are there any ingredients that cause cakes to sink in the middle?

Yes, there are certain ingredients that can cause cakes to sink in the middle. Overusing baking powder or baking soda can cause the cake to rise too quickly and then collapse in the middle. Similarly, too much sugar or fat can also cause a cake to sink. Be mindful of the proportions of the ingredients you use when baking.

Can my oven temperature impact whether my cakes sink in the middle?

Yes, oven temperature can be a factor in causing cakes to sink in the middle. Make sure your oven is calibrated correctly and preheat it to the temperature specified in the recipe. If the oven is too hot, the cake will rise and set too quickly, causing it to sink in the middle. If the oven is too cold, the cake will take longer to bake, and may not rise properly, causing it to sink.

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