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To remove bitterness from aubergine, you need to draw out its excess moisture and the compounds causing that harsh, astringent taste.
This is a common issue with older aubergines or certain varieties, but the good news is that fixing it is simple.
If you’ve ever wondered how to remove bitterness from aubergine before cooking, there are several reliable methods you can use at home.
In this post, we’ll walk through why aubergines get bitter, the best ways to remove that bitterness, and a few tips to keep your dish tasting sweet and rich.
Let’s dive in.
Why Aubergines Get Bitter
Understanding why bitterness happens is the first step in learning how to remove bitterness from aubergine effectively.
Aubergines contain natural compounds called alkaloids, and when the fruit is overripe or grown under stress, those compounds become more concentrated.
This is why some aubergines taste perfectly mild while others leave a sharp, unpleasant bite on your tongue.
The good news is that you can remove bitterness from aubergine with just a few pantry staples and a little patience.
1. The Role of Alkaloids
Alkaloids are the main culprits behind bitter aubergine.
These compounds develop more as the aubergine ages, which is why larger, older ones tend to taste harsher.
When you remove bitterness from aubergine, you’re essentially reducing these alkaloids along with the excess moisture they sit in.
Younger, smaller aubergines usually have fewer alkaloids, so they taste milder from the start.
2. Moisture and Bitterness Are Linked
The water inside an aubergine carries those bitter compounds.
That’s why any method to remove bitterness from aubergine focuses on pulling out moisture.
When you salt, soak, or press an aubergine, you’re drawing out the liquid that holds the bitterness.
Once that liquid is gone, the remaining flesh tastes much sweeter and more pleasant.
How to Remove Bitterness from Aubergine
There are several tried-and-true ways to remove bitterness from aubergine, and most take less than 30 minutes.
You can use one method on its own or combine a couple for even better results.
Here are the most effective options.
1. Salt the Slices
Salting is the classic way to remove bitterness from aubergine.
Slice your aubergine into rounds or cubes, then sprinkle kosher salt generously over each piece.
Let them sit for about 30 minutes.
You’ll see little beads of moisture forming on the surface, and that’s the bitterness leaving the flesh.
Afterward, rinse the slices well and pat them dry before cooking.
This method also helps the aubergine absorb less oil when you fry it.
2. Soak in Salt Water
If you’re short on time, soaking is a quick way to remove bitterness from aubergine.
Fill a bowl with cold water and stir in a tablespoon or two of salt.
Submerge your sliced aubergine and let it soak for 15 to 20 minutes.
The saltwater draws out the bitter compounds while keeping the flesh firm.
Drain, rinse, and dry the pieces thoroughly before you cook them.
3. Use a Salt and Sugar Rub
For an extra layer of flavor, mix salt with a pinch of sugar and rub it over your sliced aubergine.
The salt pulls out moisture, and the sugar helps balance any lingering bitterness.
Let the mixture sit for 20 minutes, then rinse and pat dry.
This is a great trick when you want to remove bitterness from aubergine without making it too salty.
4. Press and Drain
Pressing is another reliable method to remove bitterness from aubergine.
After salting or soaking, place the slices between two plates and weigh them down with something heavy.
Let them press for 15 minutes.
The pressure squeezes out any remaining bitter liquid.
This step is especially useful if you’re making a dish where you want the aubergine to stay firm, like a casserole or gratin.
5. Choose the Right Aubergine
Sometimes the easiest way to remove bitterness from aubergine is to start with a good one.
Look for aubergines that feel firm and heavy for their size, with smooth, glossy skin.
Smaller aubergines tend to be less bitter than large, overgrown ones.
Avoid any with soft spots, dull skin, or a spongy texture.
If you pick a fresh, young aubergine, you may not need to remove bitterness at all.
Extra Tips to Remove Bitterness from Aubergine
A few small habits can make a big difference when you want to remove bitterness from aubergine.
First, always taste a small piece raw before cooking.
If it’s mild, you can skip the salting step.
Second, cooking methods matter.
Roasting or grilling tends to bring out natural sweetness, while boiling can sometimes amplify bitterness if the aubergine wasn’t prepped.
Third, don’t skip the rinsing step after salting.
Leaving salt on the aubergine will make your final dish too salty and won’t help with bitterness at all.
Finally, if you’re still unsure, peel the skin.
Most of the bitter compounds sit just under the skin, so peeling is a simple way to remove bitterness from aubergine entirely.
So, How Do You Remove Bitterness from Aubergine?
To remove bitterness from aubergine, you simply need to draw out its moisture using salt, a soak, or a good press.
Salting the slices and letting them rest is the most popular method, but soaking in salt water works just as well when you’re in a hurry.
Choosing a fresh, firm aubergine also goes a long way toward avoiding bitterness in the first place.
With these simple steps, you can remove bitterness from aubergine and enjoy a sweeter, more flavorful dish every time.
Give one of these methods a try the next time you cook aubergine, and you’ll taste the difference right away.