I’ll admit it: the first time I made tomato jam, the kitchen looked like a crime scene and I nearly set off the smoke alarm. I’d bought a whole bag of end-of-season Romas from the Saturday market (the chap in the yellow wellies always slips in a few extra), and I thought, why not jam it up? The result? Sweet, tangy, sticky red magic—a spoonful of late summer, bright enough to wake up plain bread or, honestly, just about anything it touches. Every time I open one of those jars in the middle of February, I can practically feel the Devon sunlight on my face.
Why do I keep coming back to this tomato jam recipe every year? It’s not just about preserving tomatoes (though if you’ve ever spent a summer in Totnes, you know waste is a four-letter word in my mother’s kitchen). It’s the ginger—my not-so-secret weapon—which slices through the sweetness in a way that always reminds me of my grandmother’s jam days. There’s cumin for a whisper of earthiness, smoked paprika for sunset color and depth, and that magical apple cider vinegar and brown sugar dance—a little tart, a little dark, never boring. This isn’t just a tomato jam recipe for canning—it’s my tried-and-true way to bottle joy at the peak of the season. And no, you don’t need any fancy gear or culinary degree. You need patience, curiosity, and maybe a friend to help you sample (Olive the cat is no help—she’ll try, bless her).
To make the Tomato Jam, you will need the following ingredients:
In a 3- to 4-quart Dutch oven over medium-high heat, add 2 pounds chopped tomatoes, ½ cup packed dark brown sugar, 2 tablespoons apple cider vinegar, 1 tablespoon grated ginger, 1 teaspoon kosher salt, ½ teaspoon ground cumin, ¼ teaspoon smoked paprika, and ¼ teaspoon red pepper flakes. Bring to a boil, stirring occasionally with a wooden spoon or rubber spatula.
Once at a boil, reduce the heat to medium and simmer, stirring occasionally, until the mixture thickens and becomes jam-like, about 2 hours. It's done when you can scrape a spoon across the bottom of the pot and no liquid fills the path.
Ladle the jam into two 8-ounce canning jars. Cool to room temperature, then seal and refrigerate for up to 2 weeks.
Serve this jam on whipped ricotta toast or biscuits, or enjoy it with soft cheeses. It’s also perfect for adding a savory touch anywhere you would typically use jam or chutney.
Before you even glance at a tomato, clear a space on your kitchen counter. Your best friend here is a sturdy pot—three or four quarts is perfect, and if the base is heavy, even better. Mr. Tilley from my old school would say it’s all about gentle, consistent heat, and he’s not wrong. A half-decent knife for chopping and a reliable wooden spoon (I still use the one engraved with “Eat Kindly”) will see you through. You’ll want a chopping board—as big as you’ve got, to wrangle those tomatoes—and don’t forget a spoon you trust for swirling and checking the jam as it bubbles away. Have two clean eight-ounce jars at the ready; I save mine from old mustard or jam, but if you’re feeling fancy and want actually to can your creation, scrub them well and sterilize. Oh, and a good playlist. Trust me, you’ll need the mood boost the first hour in.
Let’s keep it real: you need excellent tomatoes. Romas or plums are best—they’re thick, meaty, and not too watery, so what you’re left with is jam, not soup. If all you have is a mix of tomatoes, that’s fine, just scoop out a few extra seeds and maybe simmer a little longer. I usually keep the skins on. They break down, and anyway, my gran used to say the earth worked hard on those skins. If you want a smoother finish, blend the jam just before potting. No judgement either way.
The sweet-and-sour balance is everything in tomato preserves. If you scrimp on sugar, it’ll taste flat. Tip in all the brown sugar and apple cider vinegar—this recipe is built on their backs. Yes, you can swap the brown sugar for honey if you don’t mind it a little lighter, but keep tasting as you go. The vinegar tickles the back of your throat, the ginger glows on the tongue, and the smoked paprika paints the whole thing with warmth. And patience—this is a two-hour simmer. Don’t rush it. When you can drag the spoon across the base of the pot and leave a clear line, rejoice: you’re there.
The real fun is the customising. My kitchen is a symphony in jars—sometimes I toss in extra cumin, sometimes a sprinkle of chili flakes for a kick. Think of this tomato jam as a canvas, and you’re the artist. If you’re wary of heat, cut back. If you crave a deeper note, go wild with ginger or smoked paprika. And about canning: if you want these jars to last, get those jars scrupulously clean and hot before filling. Seal tight, and you can stash them in a cupboard for months—late-night inspiration, sorted.
“Hot Tomato Tango”: Spice lovers, this is your dance floor. Chop a couple of fresh chilies—jalapeños or even a little habanero if you’re feeling bold—and stir them in at the start. It makes a tomato preserves recipe with a bright, lifting fire. Stack it in a sandwich with smoky tofu or use it as the surprise hero under a veggie burger.
“Herb Garden in a Jar”: Scent your jam with a handful of roughly torn basil or a few thyme sprigs the last fifteen minutes of simmering. It’s like walking through an evening kitchen garden when you open the jar. Divine on oat crackers with a smear of almond cheese or on sourdough bruschetta, late at night.
For a Savory Board: There’s no better moment than a fireside snack with tomato jam, a wedge of aged cashew cheese, a tumble of hazelnuts, and some smoky mushrooms. It feels extravagant and rustic all at once.
A Morning Boost: Slather it on toast with olive oil spread—it’s my Monday rescue. Or, if you’re ever brave enough to try a chickpea flour scramble, a spoonful of this jam is an instant upgrade. Sweet and savory, utterly uplifting.
Gourmet Kitchen Swap: I brush it as a glaze on roasted aubergine slices or spoon it over smoky lentil burgers. You’ll never look at shop-bought ketchup the same way again, I promise.
The Perfect Partner for Cheeses: This jam was made for pairing with creamy, tangy plant cheeses. I adore it with almond brie or a little herbed cashew cheese. The sweet meets tangy combo is a match made right here on earth.
My jam is too runny! What now? Keep simmering. Sometimes tomatoes are sneakily watery. If after two and a half hours it’s still thin, up the heat just a little and watch closely. Test it every ten minutes. If you drag the spoon through and the path stays clear, you’re on the right track. Don’t stress—worst case, you can call it “rustic tomato sauce” and use it on roasted potatoes. Win-win.
Can I use different types of sugar? Of course. I’m loyal to dark brown sugar for its old-fashioned, caramelly twist, but regular brown sugar or a quick swirl of local honey will absolutely work. Adjust the vinegar and spices if you swap the sugar—keep tasting as you go so that sweet and savory stay balanced. Baking is science, jam is jazz.
How long can I stash my tomato jam? Forget best-by dates. In clean, tightly closed jars in the fridge, it’ll hold up for two weeks. If you’ve gone the brave route and canned it, this tomato preserves recipe means you can keep it in a dark cupboard for nearly a year. The rule: sniff, inspect, and if you’re ever unsure—out it goes. Compost heap will thank you.
Can I freeze tomato jam? Yes! Just leave a finger’s width of space at the top of your jar for expansion during freezing. It’s a lifesaver when you want tomato brightness without another batch simmering away. Let it thaw gently in the fridge before diving in.
I want it less sweet—possible? Absolutely. Cut back on the sugar and bump up the ginger or vinegar for more punch. Remember, your tomatoes bring a lot of natural sweetness already, so taste, adjust, and claim it as your very own blend.
Transform ripe, end-of-season tomatoes into a luscious, vibrant jam that will bring a taste of summer to your table. This Tomato Jam is a delightful blend of sweet and tangy flavors, with a hint of warmth from ginger and smokiness from paprika, making it the perfect companion for a variety of dishes. Whether slathered on toast or paired with your favorite cheeses, this jam will elevate your meals and fill your kitchen with the inviting scents of home cooking.
Hi Anton!
Thank you for your question! It's great that you're interested in our recipe.
"Lbs" is the abbreviation for pounds, a unit of weight used in the United States. 2 lbs is equal to approximately 900 grams.
We hope this helps you with your cooking!
Can't cook it coz I don't know what is "2 lbs"
It's really a luscious, vibrant jam!
