As one of the most versatile vegetables, you can use cauliflower for everything from pizza crust, to pasta, to buffalo bites. You can even make cauliflower into “rice.” And cauliflower is an excellent option for people seeking to cut out gluten and eat healthier.
However, no matter how you prepare cauliflower, you expect it will have a mild taste that picks up the flavors around it. That’s why it’s unexpected if you take a bite and find out that the cauliflower dish you just prepared tastes bitter. Here I’ll tell you all that you’ll want to know about what can cause cauliflower to taste bitter and how to remedy it.
If you prepare cauliflower and find it tastes bitter, it likely has to do with one of two issues. The first issue is a problem with the growing conditions. The second cause could have to do with the cooking method you used. Overcooking cauliflower can also cause it to taste bitter.
Although cauliflower belongs to the same family as cabbage and broccoli, it can be more challenging to grow correctly and slightly more temperamental than cabbage. In fact, cauliflower needs just the right temperature, moisture, and soil conditions to develop without issues, which is why many gardeners who grow this crop for the first time find that their harvest produces less desirable vegetables. Here are some of the main growing issues that cause cauliflower to taste bitter.
You Planted Cauliflower At The Wrong Time
Cauliflower is a cool season crop (although it doesn’t like it too cold), so depending on where you live, the timing to plan it makes a big difference. In general, if you plant your cauliflower in the springtime, you’ll likely experience temperatures that are too cold at the start and too hot towards the end of the growing season.
Instead, you want to plant the cauliflower so that you’ll have cool weather when the crop starts to mature, ideally 50-60 °F (10-15 °C). For most people, this timing means planting it in the summer for an anticipated fall harvest.
If you grow cabbage in your garden, you can start your cauliflower crop about the same time you would plant your “late cabbage” crop.
If you live in an area with a mild winter, you can also plant the cauliflower crop in autumn and let it grow through the winter for a springtime harvest. Keep in mind, though, that if the winter temperatures get too cold, it will negatively affect the crop.
If you allow the cauliflower to mature in the cool weather, you’ll find that it’s easier to grow and tastes much better, and shouldn’t have any bitterness.
Cauliflower Received Too Much Sun
You also want to pay attention to exactly where in the garden you plant the cauliflower crop. As mentioned, cauliflower does not like too much direct heat. It also doesn’t like too much sun exposure.
One way to protect your cauliflower from too much direct sunlight is to perform something called “blanching.” This process involves wrapping the leaves around the growing heads and tying them together to keep them in place. You perform this step when the cauliflower head reaches 2 to 3 inches (5-7.5 cm) in diameter.
If your cauliflower starts to turn pink or purple-tinged (and it’s not a purple variety), you’ll know that it’s been exposed to too much sunlight and requires balancing.
Cauliflower Wasn’t Watered Properly
Cauliflower also requires even watering to produce the best-tasting heads. Ensure you water the crop evenly and consistently to produce quality vegetables.
However, too much watering can cause root rot and destroy your crop. In general, you should only need to water your cauliflower plant about two times a week or when the soil turns dry to the touch.
Cauliflower Was Harvested Too Late
You should harvest your cauliflower when the head of the plant reaches about 6 inches (15 cm) in diameter. If you wait too long to harvest the cauliflower plant, it will start to bolt and taste very bitter (making it inedible).
You can tell if your cauliflower is bolting by looking at it. If the head of your cauliflower produces small flowers, you waited too long to harvest it. At that point, all you can do is remove and discard the plant. There’s no way to salvage a bolting cauliflower plant for eating.
Even if you’ve grown or purchased a perfect head of cauliflower, you can affect its taste by overcooking it. When you cook the cauliflower too long, it releases sulfurous compounds that cause it to taste bitter. It will also not smell very good either at this point.
Although it’s still edible, the texture and taste will be off, so you likely won’t enjoy it anymore. It also loses a lot more of its nutrients this way.
To avoid causing your cauliflower to taste bitter by overcooking it, check its doneness frequently. Your cooked cauliflower should be just slightly tender and not soggy or mushy.
As noted, once you’ve reached the point of mushy cauliflower, you will find that it has an unpleasant and bitter taste.
When most people think of cauliflower, they think of the white-headed variety found most often in the supermarket. However, there are various other varieties of cauliflower as well, ranging from orange to purple in color.
The vibrant purple-colored cauliflower has a less bitter taste. If you grow your own cauliflower, you may also want to try growing this variety.
Check out these Purple Sicily Cauliflower Seeds for growing in your garden.
However, finding purple cauliflower in conventional grocery stores can be more challenging. Look for the purple cauliflower variety at specialty grocery stores or local farmer’s markets or find it fresh online here: Purple Cauliflower.
Some people find that cauliflower always has a bitter taste, and it has to do with sensitive taste buds. That’s why certain people don’t like the taste of many other similar vegetables as well, such as broccoli or cabbage. If this characteristic applies to you, but you still want the health aspects of cauliflower, try seeking out the less-bitter purple variety.
If you have a head of cauliflower with a slightly bitter taste, eating it will not harm you, as long the flavor isn’t because it has gone bad.
To help with the flavor, try cooking it with some sweeter-tasting vegetables, like sweet onions, apples, or sweet peppers.
You can also add a bit of salt to your preparation to counteract some of the bitterness.
How To Choose The Best-Tasting Cauliflower
You want to pick the freshest head for the best taste when purchasing cauliflower at the grocery store. Examine the head to make sure that it feels firm and tightly closed. If you’re buying white cauliflower, look to see if there are any discolored spots on it. If there are any dark spots, choose another head. You want to pick one that is a very pale white color.
For any color cauliflower, if the head feels soft, it’s starting to go bad, and you don’t want to purchase it as it isn’t very fresh. Also, examine leaves and note if they look fresh and green as well. Browning leaves also indicate a cauliflower head that’s past its prime.
Cauliflower will tend to go bad very quickly, so you either want to use it right away or store it properly to ensure that you maximize its freshness. You will need to keep it in the refrigerator to ensure it stays at the right temperature.
Put cauliflower in an open plastic bag (to allow airflow) and place it in the crisper drawer of your refrigerator. Position it so that the stem faces upward, preventing condensation from forming on the cauliflower head (which could lead to mold).
If you store it properly in the refrigerator, a fresh cauliflower head will last up to five days.
You can also freeze cauliflower to help it last longer, but the process is more time-intensive. You must cut up the cauliflower head and blanch the florets before freezing. I prefer to eat cauliflower fresh rather than freezing it, or if it’s out of season, I purchase cauliflower already frozen.
As with other vegetables, age can also affect the taste. A cauliflower that’s starting to go bad (or has gone bad) will taste bitter or unpleasant.
If your cauliflower starts to turn brown, it’s a sure sign that it will spoil soon. You can still use it if it has a few brown spots, but once the spots start to turn black, it’s time to throw the cauliflower away.
You can also look for the following other signs that indicate it’s time to toss it rather than eat it:
- The cauliflower head feels soft or mushy and no longer firm and crisp
- You see visible signs of mold starting to form on the cauliflower head
- The cauliflower head feels a bit slimy
- The smell of the cauliflower is pungent or off-putting
- The cauliflower tastes very bitter or sour
As always, it’s better to err on the side of caution when it comes to food. So if anything seems “off” with your head of cauliflower, you should throw it away rather than take a chance.