Pickle Relish Sweet with Cauliflower

Set the oil over medium heat. Mustard seeds start crackling in about 2 minutes—that’s when you know it’s right. Three bowls. Soaking vegetables. Sterilizing jars. This looks like a project, but it’s just timing. Had a jar of store relish sitting for months. This happened instead. Better.

Why You’ll Love This Sweet Pickle Relish

Takes under 2 hours start to finish—most of that is waiting, not work. Works on basically everything. Deviled eggs. Hot dogs. Tacos. Cold salads. The kind of condiment that sits in your fridge and gets used without thinking about it. Makes enough to give away. Three or four jars depending on how full you’re feeling. Tastes better than the store version. No weird additives, no aftertaste that sticks around. The spice angle hits different—mustard seeds, turmeric, coriander, cumin all working together but you taste each one. Not blended into nothing. Cauliflower stays crispy-tender even after sitting. That’s the salt soak doing the work beforehand.

What You Need for Sweet Pickle Relish

Cauliflower florets cut small—tiny. Not chunks. The smaller they are, the faster they soften and the better the texture holds. 400 ml gets you there.

Pearl onions peeled. This takes patience. Blanch them first in boiling water for about a minute, then the skins slip off easier. 230 grams. Don’t skip the blanching part—it saves you 10 minutes of cursing.

Fresh cucumber diced fine. Garden cucumber if you have it. Not the watery store kind—those fall apart. 260 ml. The dice matters. Chunks don’t work.

Green beans cut into quarter-inch pieces. 110 ml. One apple diced small. Adds sweetness without being obvious about it.

Pickling salt. Not table salt. Coarser. It draws moisture out differently. 40 ml. The spice mix hits next—mustard powder, mustard seeds, turmeric, coriander seed cracked by hand, cumin seed. Nothing fancy. All standard stuff.

Fresh ginger minced fine. One large garlic clove. One red chili deseeded and sliced thin. You could skip the chili. Doesn’t change anything major. Just adds a small kick at the end.

Oil—light olive or avocado. Not regular olive oil. Burns too hot. 35 ml. Arrowroot powder or cornstarch for thickening. Apple cider vinegar. Raw, unfiltered. That’s the backbone. Water. Sugar—raw cane or coconut.

That’s it. Nothing weird.

How to Make Sweet Pickle Relish

Dump the cauliflower, pearl onions, cucumbers, green beans, and apple into a big bowl. Add the pickling salt. Cover everything with cold water—about an inch over the top. Let it sit for an hour at room temperature. The salt draws moisture out of the vegetables and they get firmer, crispier. This is the part people skip and then wonder why their relish is soft.

While that’s happening, get your jars ready. Boil them or dry them in the oven. Don’t half-ass this. Bad seal means mold. Clean the lids and bands too.

After an hour, drain everything well. Like really well. Squeeze out the moisture gently with your hands.

How to Get the Spices Right in Sweet Pickle Relish

Heat the oil in a deep pan on medium. Tip in the mustard seeds, mustard powder, cumin, and coriander seeds. Toast them. You’re listening for the seeds to start crackling—that’s about 2 minutes. The kitchen smells good now. This is the part that matters for flavor.

Add the garlic, chili, and ginger. Sauté for 1 minute. Don’t skip this—they open up in the heat and mellow out slightly.

Whisk the arrowroot powder into 60 ml of the apple cider vinegar until smooth. Pour it into the pan and stir constantly. It thickens fast, like 30 seconds. Watch it. If it sits too long it burns and tastes bitter. That’s not the goal.

Pour in the drained vegetables, the remaining vinegar, water, and sugar. Stir everything together. The mixture should look loose at this point. That’s fine.

Simmer gently. Gentle bubbling. Not a rolling boil. Cook for about 35 minutes, stirring every 8 to 10 minutes. The vegetables soften but they shouldn’t get mushy—they should still have some resistance when you bite them. The cauliflower will go a bit translucent but it holds its shape. The pearl onions go soft all the way through but stay intact. That’s the target. Not a timer situation. It’s a look-at-it situation.

Turn off the heat. Ladle it hot into your hot sterilized jars, leaving about a centimeter of air space at the top. Tap the jars gently with a plastic knife or chopstick to get air bubbles out.

Wipe the rims clean with a damp cloth. Put the lids on snug. Don’t overtighten them—you’ll crush the gasket and it won’t seal right.

Set the jars in a water bath that’s simmering. Cover them with 2.5 centimeters of water. Bring it to a rolling boil—a full boil where it keeps going hard even after you stop stirring. Start your timer once it reaches that point. Let it boil for 16 minutes. If the water level drops, add hot water. Don’t let the jars peek above the surface.

Pull the jars out carefully and let them sit undisturbed for 12 to 16 hours on a wooden surface or a towel. The lids should pop down—that pop sound means it sealed. If a lid doesn’t pop, it didn’t seal. Stick that one in the fridge and use it first.

Store the sealed jars in a cool dark spot. Once you open one, refrigerate it.

Sweet Pickle Relish Tips and Common Mistakes

The salt soak is real. Don’t skip it thinking your relish will be fine. It won’t be. The vegetables stay soft. That one hour changes everything.

Your vegetables need to be cut consistently or they finish cooking at different times. Tiny florets. Fine dice. Quarter-inch beans. It matters.

Some people use cider vinegar that’s not raw. Works fine. Tastes slightly blander but it works. Raw unfiltered gives you more complexity.

The coriander and cumin seeds—crack them roughly with a spoon handle or the bottom of a pan. Don’t pulverize them. You want pieces that release flavor but don’t disappear into powder.

If your relish tastes too vinegary, you added too much vinegar or cooked it too long. Next time reduce the vinegar by 25 ml. If it’s too sweet, same deal but cut the sugar back instead.

Pearl onions are expensive. You can substitute shallots cut into similar-sized pieces. Texture’s different but flavor works. Green tomatoes work too if you’re picking this in late summer—they give a different tartness.

Cauliflower relish is the main point here but cucumber relish works exactly the same way. Swap them out one-to-one. Dill relish—add 15 ml of fresh dill at the end after heat is off. It doesn’t survive the simmer.

The arrowroot thickens it. If you skip it, the relish is looser and more of a brine situation. Some people prefer that. It’s not wrong. Just different texture.

Pickle Relish Sweet with Cauliflower

By Emma

Prep:

1h 15min

Cook:

40 min

Total:

1h 55min

Servings:

5 jars

Ingredients

• 400 ml (1 2/3 cup) cauliflower cut tiny florets
• 230 g (8 oz) pearl onions, peeled (tip: blanch in boiling water briefly then slip skins off)
• 260 ml (1 cup plus 2 tablespoons) fresh garden cucumber diced fine
• 110 ml (slightly less than 1/2 cup) green beans cut 1/4 inch lengths
• 1 medium apple diced small
• 40 ml (2 1/2 tablespoons) coarse pickling salt
• 10 ml (2 teaspoons) ground dry mustard powder
• 10 ml (2 teaspoons) yellow mustard seeds
• 7 ml (1 1/3 teaspoons) turmeric powder
• 4 ml (just under 1 teaspoon) coriander seed cracked
• 4 ml (under 1 teaspoon) cumin seed
• 15 ml (1 tablespoon) finely chopped fresh ginger
• 1 large garlic clove minced
• 1 fresh red chili deseeded and sliced thin
• 35 ml (2 1/3 tablespoons) light olive oil or avocado oil
• 25 ml (1 2/3 tablespoons) arrowroot powder or cornstarch
• 290 ml (1 1/4 cup) raw unfiltered apple cider vinegar
• 200 ml (about 3/4 cup plus 1 tablespoon) filtered water
• 35 ml (2 1/3 tablespoons) raw cane sugar or coconut sugar

Method

1. 1 First. Dump cauliflower, pearl onions, cucumbers, green beans, apple and pickling salt into a big bowl. Cover with cold water by an inch or so. Let soak 1 hour at room temp; vegetables will firm, salt drawing out moisture.
2. 2 Meanwhile, get your jars sterilized—boil or oven dry. Do not skip this! Clean lids and bands too.
3. 3 Heat oil in a deep pan on medium. Tip in mustard seeds, dry mustard powder, cumin and coriander seeds. Toast until aromatic and seeds start crackling—about 2 minutes.
4. 4 Add garlic, chili, and ginger. Sauté 1 minute. Smells taking over kitchen? Good.
5. 5 Add arrowroot powder whisked into 60 ml cider vinegar to same pot. Stir till it thickens just slightly. Happens quick; do not let burn.
6. 6 Drain vegetables well. Into pot pour veggies, remaining vinegar, water, and sugar. Stir.
7. 7 Simmer gently. You want gentle bubbling, not a raging boil. Cook about 35 minutes stirring every 8-10 minutes. Test: veggies should be tender but still have bite—not mushy. Watch pearl onions soften and cauliflower go translucent but hold shape.
8. 8 Turn off heat. Ladle hot piccalilli into hot sterilized jars, leaving 1 cm air space. Tap jars lightly to remove air bubbles with a plastic knife or chopstick.
9. 9 Wipe rims clean with damp cloth. Fit lids on snug but don’t overtighten. Place jars in simmering water bath; cover with 2.5 cm water.
10. 10 Bring to roiling boil and keep bubbling 16 minutes. Timer starts once full boil hits again. Do not let water level drop—add hot water if needed.
11. 11 Remove jars carefully, let cool undisturbed 12-16 hours on wooden surface or towel. Lid should pop down slightly signaling vacuum seal.
12. 12 Store unopened in cool dark spot. Refrigerate after opening.

Nutritional information

Calories

45

Protein

1g

Carbs

8g

Fat

1.1g

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Frequently Asked Questions About Sweet Pickle Relish

Can I make this spicy or add hot peppers instead of one red chili? Yes. Start with two red chilis, or add a habanero, or use cayenne powder. Add it slowly and taste as you go. Heat compounds during storage so it gets spicier after a few days.

How long does homemade relish last? Sealed jars in a cool dark spot last at least a year. Some people say longer but I don’t keep them that long. Once opened, refrigerate it and use within 2 months. It starts breaking down after that.

Can I use regular vinegar instead of apple cider vinegar? Works. Tastes sharper, less complex. White vinegar is too aggressive. Rice vinegar is too mild. Apple cider is better but regular cider vinegar does the job.

What if my jars don’t seal? Happens sometimes. Check the rim—sometimes a tiny bit of relish prevents a seal. Wipe it clean and try again. If it still doesn’t pop after 12 hours, it didn’t seal. Store it in the fridge. Use it in a week.

Can I use frozen vegetables or canned beans? Frozen cucumbers get mushy. Don’t bother. Frozen cauliflower works but the texture’s already compromised. Fresh is better. Canned beans—sure, but drain and rinse them first. They’re already soft so watch the simmer time. Might only need 20 minutes instead of 35.

Is this actually a pickle relish or more of a piccalilli? It’s both. Pickle relish is usually just pickles chopped up. This is cooked, which is piccalilli technically. But people call everything relish now so relish it is. The cucumber pickle relish angle gets you both worlds.