Bacon Onion Jam

So many people think bacon onion jam tastes amazing just because of the bacon, right? Well yeah, that’s a big part of the magic, but there’s actually another star ingredient that makes this jam so unforgettable… sweet onions.

When sweet onions cook down slowly and caramelize, their natural sugars really shine through. This adds just the right touch of sweetness to balance all that smoky, savory bacon without having to dump in a ton of sugar. (Though I’ll admit, a little brown sugar here adds a lovely depth and subtle sweetness that takes it over the top!)

If you do one thing for your next jar, hunt down some fresh sweet onions. It really makes the difference between good and absolutely incredible bacon onion jam!

If you’re craving that perfect combo of sweet, salty, and rich flavors all rolled into one, bacon onion jam is basically your new best friend. This recipe uses just seven simple ingredients—bacon, sweet onions, brown sugar, balsamic vinegar, butter, a pinch of salt, and a hint of cayenne if you like a little heat—to create a luscious, caramelized spread.

You’ll spend less than 30 minutes actively cooking, with the rest just simmering away patiently on the stove. I’ll guide you through how to cook bacon to crispy perfection while keeping its flavor, get those onions melting into jammy goodness, and balance everything with balsamic vinegar and a touch of brown sugar. Plus, it’s super flexible—more or less sugar, no heat, or all the spice; you choose what works for you.

Below, you’ll find easy-to-follow steps, helpful swaps if you need ingredients, top tips for getting those onions just right, plus serving ideas and storage advice, so your bacon onion jam shines whether it’s for a party snack or a homemade gift. Ready? Let’s get cooking!

Why You’ll Fall For It

• Just 7 simple ingredients create a flavor-packed magic jar.
• Hands-on cooking takes less than 30 minutes, mostly slow and forgiving simmering.
• Uses way less sugar than you’d expect, thanks to those naturally sweet onions.
• Easy to tweak—adjust sweetness, add spice, or keep it mellow.

This recipe was perfect! My guests loved it and recipe was shared with them all.

Ingredients and Flavor Swaps

• 1 pound bacon cut into ½” pieces
• 1 tablespoon salted butter
• 1 pound sweet onions about 4 medium onions
• ⅓ cup packed brown sugar
• 1 ½ tablespoon balsamic vinegar
• ¼ teaspoon salt plus more to taste
• 1 pinch cayenne pepper optional

Cooking the Jam

1. Cut bacon into ½-inch pieces.
2. Place bacon pieces in a large skillet in a single layer over medium heat and cook, stirring occasionally, until crispy, about 12–14 minutes.
3. While bacon cooks, line a plate with paper towels to drain the grease.
4. Transfer crispy bacon to the paper towel–lined plate to drain.
5. Pour off all but 1 tablespoon of bacon fat from the skillet.
6. Melt 1 tablespoon salted butter in the skillet.
7. Slice the sweet onions and add them to the skillet; cook over medium to medium-low, stirring regularly, until caramelized and jammy, 20–25 minutes.
8. Stir the crispy bacon back into the caramelized onions.

9. Add ⅓ cup packed brown sugar, 1½ tablespoons balsamic vinegar, ¼ teaspoon salt, and a pinch of cayenne (optional); reduce heat to low and simmer, stirring often, until thick and glossy, about 8–10 minutes.

10. Remove from heat and let the bacon onion jam cool to room temperature.

Serving Suggestions and Gift Ideas

The first time I made this bacon onion jam, I immediately thought, “This would make such a thoughtful gift!”

If you’re planning to gift it, grab a cute 8-ounce mason jar, add a fun label with a chalk marker, and tie on some pretty ribbon. It’s a simple but impressive present that people really love—just be sure to keep it cold while transporting!

Seriously though, what can’t you pair with bacon onion jam? Here are a few favorites in our house:

• Just eat it straight off the spoon—totally acceptable!
• Slather it on warm buttermilk biscuits.
• Top crackers with a little jam and goat cheese or brie.
• Spoon it over sunny-side-up or scrambled eggs for breakfast with a twist.

Ways to Customize Flavor

This recipe is a terrific base, but feel free to experiment and make it your own. Here are some ideas to spice things up or add complexity:

• Fresh or dried herbs like thyme, rosemary, or sage add an herbal note.
• Add smoked paprika or extra cayenne for a bigger kick.
• A splash of bourbon or a sweet liqueur brings warmth and depth.
• Try different vinegars, like red wine or sherry, to tweak the tanginess.

Storage, Shelf Life, and Reheating

Once your bacon onion jam has cooled completely, transfer it to a clean glass jar with an airtight lid. Keep it in the fridge and enjoy within one week for the best texture and flavor.

• Make-ahead: This jam actually tastes better after it rests a few hours or overnight, so you can easily make it ahead for a party or meal prep.
• Reheating: Gently warm the jam over low heat on the stove, stirring until softened. For smaller amounts, microwave in short bursts of 15-20 seconds, stirring each time. If it thickened too much in the fridge, add a splash of water, broth, or balsamic vinegar while reheating to loosen it up.
• Freezing & canning: Because it’s a low-acid jam with bacon, it isn’t great for water-bath canning and won’t hold well frozen—freezing can change the texture and cause separation. If you try freezing, expect some difference in texture and thaw it in the fridge before reheating.
• Safety & handling: Always use a clean spoon to scoop the jam to avoid contamination. Discard if you notice off smells, mold, or unusual colors.
• Gifting & transport: Keep refrigerated during transport to keep your gift fresh and safe.

Frequently Asked Questions

How long does bacon onion jam last?

Homemade bacon onion jam keeps well for up to one week in the fridge. Make sure it’s fully cooled before sealing it in a container. Avoid freezing because it can separate and lose texture.

Is it safe to can this bacon jam?

Due to its low acidity, this recipe isn’t suitable for traditional water-bath canning methods. If you have a pressure canner, it might be possible, but definitely check your canner’s guidelines before attempting.