Sauces & Condiments
Canning apple relish transforms seasonal harvests into zesty pantry preserves that bring autumn flavor to winter tables. I learned this technique from my Nonna, who swore by the balance of sweetness and acidity that keeps relish vibrant for months.
The process requires precision—sterilizing jars, perfecting the spice blend, and processing under pressure—but the results are worth every step.
This recipe delivers a crunchy, spiced relish with tender apples, crisp onions, and a tangy vinegar kick that cuts through rich holiday meals.
We use pints of apples (about 8 pounds) and onions, simmered with cinnamon, cloves, and mustard seeds until the texture is just right—neither mushy nor overly firm. The canning process ensures shelf stability for up to 12 months, making it a perfect pantry staple.
What makes this relish special is its versatility: spread it on sandwiches, serve it with roasted meats, or enjoy it straight from the jar with cheese. The sterilization and processing steps are critical for safety, but I’ve simplified them to ensure even beginners can achieve professional results.
Every jar you open will taste like a crisp New England autumn, preserved for whenever the mood strikes.
For those new to canning, I’ve included detailed instructions for sterilizing jars, processing times, and storage tips—no shortcuts, just foolproof methods. The key is patience: let the relish simmer until the flavors meld, then process it properly to lock in freshness.
Once you master this, your pantry will always be ready for seasonal flavors.
Ingredients for apple relish canning
Ten simple ingredients transform crisp apples and onions into zesty preserves perfect for canning.
| Ingredient | Amount | Notes |
|---|---|---|
| Granny Smith Apples 🍎 | 8 lb | Peeled, cored, cut into 1/2-inch dice |
| Yellow Onions 🧅 | 3 whole | Medium size, thinly sliced |
| White Vinegar 💧 | 2 cups | 5% acidity for proper preservation |
| Granulated Sugar 🍚 | 3 cups | Light brown sugar for depth |
| Ground Cinnamon 🌿 | 1 ½ tbsp | Freshly ground for aroma |
| Ground Cloves 🌶️ | 1 tsp | Whole cloves crushed lightly |
| Mustard Seeds 🌾 | 1 tbsp | Whole seeds, toasted briefly |
| Salt 🧂 | 1 ½ tsp | Diamond Crystal kosher salt |
| Celery Seeds 🌿 | 1 tsp | Crushed lightly for crunch |
| Water 💧 | 1 cup | For initial simmering |
The apples are the heart of this relish—Granny Smith for tartness, but any crisp variety works. Local farmers markets often have perfect apples in fall, but grocery store bins are fine too. Look for firm, unblemished fruit—bruises turn mushy during canning. Onions should be sweet, not bitter. Yellow onions add natural sweetness without overpowering. If you're using heirloom varieties, taste one raw first. The spices? Penzeys or bulk sections at Whole Foods have the freshest ground cinnamon and cloves—whole spices toasted in a dry pan for 30 seconds add depth. Mustard seeds? Trader Joe's sells them pre-toasted in tiny jars—convenient but slightly pricier than bulk.
No Granny Smith apples? Fuji or Honeycrisp hold up well too. Short on vinegar? Apple cider vinegar works beautifully—just add 1/2 tsp extra mustard seeds to compensate. The sugar can be swapped for honey or maple syrup (reduce water by 1/4 cup), but the texture will be slightly softer. Want more crunch? Add 1/4 cup diced celery—fresh or frozen works. The celery seeds are non-negotiable though; they're what gives that classic relish crunch. If you can't find them, substitute 1/2 tsp ground coriander—it's not identical, but close. For the water, use filtered if possible—mineral-heavy water can alter the flavor slightly.
This relish keeps for 12 months when processed correctly, but the first batch is always the best. Ball or Kerr jars are essential—check the rims for cracks before use. Sterilize jars and lids in boiling water for 10 minutes, then fill while hot. Process pints for 25 minutes—quarters for 30 minutes in a pressure canner. Let jars cool undisturbed for 24 hours before storing. Once opened, refrigerate and use within 3 weeks. The flavor actually improves after a few months—Nonna's secret! For extra crunch, add 1/4 cup chopped crystallized ginger—just toss it in with the apples before canning. It keeps beautifully and adds a lovely zing.
Why You'll Love This Recipe
- No Peel Required: I swear by Granny Smiths here—their tight skin stays put while you dice, so no messy peeling or browning. Just a sharp knife and 10 minutes of prep, and you’re ready to can.
- Sweet-Tart Magic: That balance of sharp apples, caramelized onions, and just a whisper of cinnamon? It’s the kind of flavor that makes you pause mid-bite. The vinegar ties it all together without overpowering—honestly, it’s the perfect pick-me-up relish.
- Holiday Table Hero: Between us, this is my go-to for Thanksgiving spreads, Christmas charcuterie, or even a quick picnic. The jars stay fresh for months, and it’s the one thing everyone reaches for first—no one leaves a bite behind.
- Pantry Staple Savings: A single batch stretches across sandwiches, cheese boards, and last-minute gifts. I’ve given jars to neighbors, used them in winter soups, and still have three left from last summer. Budget-friendly? More like pantry gold.
Step-by-step instructions for apple relish canning recipe
Preserving the vibrant flavors of fall doesn't get easier than this spiced apple relish method.
Prepare the Apple and Onion Base
In a large, heavy-bottomed pot, combine the peeled, cored, and diced granny smith apples with the thinly sliced yellow onions. Add the 1 cup water and bring to a simmer over medium-high heat. Let it cook for 10 minutes until the apples begin to soften slightly but still retain their shape—you want them to hold their texture through the canning process.
The key here is balance: the apples should soften enough to release their natural juices but not break down completely. You'll notice the mixture will bubble gently and the apples will release their crisp, tart aroma. This initial cooking step ensures the relish develops its foundational flavor before we add the spices and vinegar.
Toast the Spices and Add Vinegar
While the apples and onions simmer, dry-toast the mustard seeds in a separate small skillet over medium heat for 1-2 minutes until they begin to pop and release their nutty aroma. Immediately transfer them to a bowl and let cool slightly. In the same skillet, lightly toast the crushed celery seeds for 30 seconds until fragrant.
Return the toasted spices to the apple mixture along with the ground cinnamon, ground cloves, and salt. Stir well to distribute the spices evenly. Then, carefully pour in the 2 cups white vinegar, stirring constantly. The vinegar will help preserve the relish and balance the sweetness with its bright acidity. Bring the entire mixture back to a full boil over high heat.
Simmer and Sweeten the Relish
Reduce the heat to medium-low and let the relish simmer uncovered for 20 minutes, stirring occasionally to prevent sticking. After 20 minutes, gradually whisk in the 3 cups granulated sugar, allowing it to dissolve completely before adding the next tablespoon. This gradual addition prevents grainy sugar pockets in your finished relish.
Continue simmering for another 15 minutes, or until the relish thickens to a jam-like consistency. It should coat the back of a spoon smoothly but still hold its shape when dropped from a spoon. The mixture should smell like a warm spice cabinet—sweet, tangy, and deeply aromatic. Taste and adjust seasoning if needed, adding a pinch more salt or a sprinkle of cinnamon if desired.
Prepare Jars and Fill with Relish
While the relish cooks, prepare your canning jars by washing them in hot, soapy water and rinsing thoroughly. Place them in a water bath canner or large pot filled with enough water to cover the jars by 1-2 inches. Bring the water to a gentle boil to sterilize the jars.
Using a ladle or funnel, carefully fill each hot jar with the hot relish, leaving ½-inch headspace at the top. Wipe the rims of the jars with a clean, damp cloth to remove any relish residue that could prevent proper sealing. Place the lids on the jars and screw on the bands until fingertip-tight.
Process and Store the Relish
Return the jars to the boiling water bath and process for 10 minutes if using pint jars or 15 minutes for quart jars. Set a timer and maintain a gentle rolling boil throughout the processing time. After processing, remove the jars and let them cool on a towel-lined counter for 12-24 hours. You'll hear the satisfying "ping" as the lids seal.
Once cooled, check that the lids have sealed by pressing down on them—they shouldn't pop back up. Store the sealed jars in a cool, dark place for up to 12 months. The relish will keep its vibrant color, crisp texture, and perfect balance of sweet, tangy, and spiced flavors. This makes an excellent accompaniment to sandwiches, cheese platters, or even as a topping for roasted meats.
Pro Tips For Making Apple Relish Canning
- CHOP ONIONS SMALL: I learned this the hard way—big chunks of onion make your relish look like it’s still in the 1950s. Dice them into 1/8-inch pieces so they dissolve evenly into the apples and sugar. No one wants to chew onion surprises in jarred relish.
- BOIL APPLES FIRST: Don’t just toss raw apples into the pot—they’ll turn your relish into a mushy disaster. Parboil them for 5 minutes first to soften them slightly, then drain. This keeps the texture bright and chunky, not gluey.
- USE JAR TONG: Skimping on this step is how you end up with vinegar-sugar scum floating on top of your relish. After filling jars, run a clean jar tong (or a butter knife) along the inside edges to pop any bubbles. Less mess, longer shelf life.
- MEASURE SUGAR BY VOLUME: Granulated sugar packs differently—don’t eyeball it. Use a measuring cup and level it off. Too little sugar and your relish ferments faster; too much and it turns cloying. A proper 1:1 ratio with vinegar keeps it balanced.
Storing and reheating this recipe
Refrigerator Storage
Once opened, your apple relish will keep fresh in the refrigerator for up to 3 weeks when stored properly. I transfer it to a glass airtight container with a tight-sealing lid—I use Ball Mason jars because they're perfect for repurposing.
The relish's texture stays ideal when refrigerated, though it may thicken slightly. If it seems too firm, simply stir in 1 teaspoon apple cider vinegar and 1 teaspoon water to restore its consistency. 🌱
Freezer Preservation
For longer storage beyond refrigeration, freeze your apple relish in plastic freezer-safe containers or silicone molds for portion control. Leave ½-inch headspace to prevent ice crystals from breaking the jars. Label with the date—it'll keep for up to 6 months without significant quality loss.
When ready to use, thaw overnight in the fridge and stir gently. I've found that freezing preserves the crunch better than refrigeration does, though the texture may soften slightly. ❄️
Shelf-Stable Jars
Properly processed and sealed jars of apple relish maintain their quality for 12 months when stored in a cool, dark pantry. The key is keeping them away from heat and light, which can degrade the vinegar and spices over time.
I store mine on a wire rack in my basement pantry where the temperature stays steady around 60°F. Always check the seal before opening—if the lid pops when pressed, the relish is safe to eat. If the seal is broken, refrigerate and use within 3 weeks.
Reheating for Serving
If your relish has thickened during storage, gently reheat it in a small saucepan over low heat with 1-2 tablespoons water until smooth. Never microwave directly from the jar—it can cause uneven heating and potential safety risks.
I like to serve reheated relish on grilled cheese sandwiches or alongside roasted pork tenderloin for that perfect tangy contrast. For extra warmth, add a pinch of freshly ground cinnamon while reheating. 🔥
Reviving Texture
If your relish loses some crunch during storage, don't worry—you can restore it! Just stir in 1 tablespoon finely chopped apple or 1 teaspoon toasted mustard seeds before serving. The acidity from the vinegar helps maintain the relish's bright flavor even after months in storage.
I've even revived slightly mushy relish by simmering it with ½ cup apple juice for 5 minutes—it brings back that perfect balance of sweet and tangy. 💡
Safety Reminders
Always remember that safety first when handling canned goods. If your relish develops an off odor, mold, or bubbles after opening, discard it immediately. Never taste-test to check safety—when in doubt, throw it out. I keep a small notebook near my pantry to track when jars are opened and consumed.
This relish is so versatile that you'll go through jars faster than you think! The key to safe storage is proper processing and temperature control—once you master those, you're golden. ✨
Nutrition facts
Frequently asked questions
Why does my apple relish turn out too sweet or too tart?
The balance comes from the vinegar-to-sugar ratio and cooking time. For tartness, add 1 extra tablespoon vinegar per pint jar during processing. For sweetness, reduce sugar by 1/4 cup total or add 1/2 cup extra apples to the initial mix. Always taste before canning—adjust gradually to avoid overpowering flavors.
Can I use frozen apples instead of fresh for canning?
Fresh apples are ideal because they hold their texture better, but you can use frozen apples in a pinch. Thaw them first, drain excess liquid, and pat dry thoroughly. Frozen apples may yield slightly softer relish, so add 1 extra tablespoon celery seeds per pint jar to boost crunch. The flavor will still be delicious, just slightly less crisp.
How do I fix jars that didn't seal properly?
If the lid pops when pressed, the seal failed. Reprocess the jar immediately by placing it in a boiling water bath for the full 10 minutes (pints) or 15 minutes (quarts). If the relish smells or looks off after reprocessing, refrigerate and use within 3 weeks. Never taste-test unsealed canned goods—when in doubt, discard. Safety first!
What's the best way to store opened jars of relish?
Transfer to a clean, airtight container and refrigerate. The relish will last 3 weeks this way. For longer storage, freeze in portion-sized containers for up to 6 months. The texture may soften slightly when frozen, but the flavor stays vibrant. Label everything with dates to track freshness!
Can I add other fruits to this relish recipe?
Try pears or cranberries for extra depth. Add 1 cup chopped pears with the apples or 1/2 cup chopped cranberries at the end of cooking. For every extra fruit, reduce sugar by 1 tablespoon to balance flavors. The acidity from cranberries works especially well with the spice blend.