Homemade Caramelized Onion Jam

2-Ingredient Caramelized Onion Jam is incredibly easy to make. Takes just 25 minutes & requires no cooking. Super quick and the perfect recipe for onion lovers. Amazing and so delicious sweet-tart blend for the holiday season and along with warm spices and slowly cooked.

Yummy!! It’s so easy to make, too. I just might start using this recipe for all my homemade jams.

Kitchen Equipment Needed :

• Large skillet or heavy-bottom pan
• Wooden spoon or spatula
• Sharp knife
• Cutting board
• Measuring spoons
• Airtight jar or container for storage

Tips for Caramelized Onion Jam

– The most important tip for perfect Caramelized Onion Jam is patience. Onions need time to release their natural sugars. If you cook them too fast over high heat, they will burn on the outside and stay sharp and bitter on the inside.

– Uniform slices make a big difference. If some pieces are thick and others are very thin, the thin ones may burn while the thick ones stay undercooked. Try to slice the onions into even, thin strips.

– As the onions cook, you may notice brown bits forming at the bottom of the pan. These bits are full of flavor and should not be wasted. When you add balsamic vinegar or a small splash of water, use your wooden spoon to gently scrape the bottom of the pan.

What to Eat with Caramelized Onion Jam ??

Caramelized Onion Jam is sweet, savory, and deeply flavorful, making it the perfect spread for brunch boards, holiday appetizers, or cozy dinners at home. I love serving it over toasted Bagels or Garlic Bagels with a thick layer of cream cheese for a simple but elevated breakfast.

For lunch or dinner, it pairs beautifully with hearty mains like Baked Boneless Chicken Thighs or spooned over burgers for an extra burst of sweet-and-savory flavor.

If we’re building a brunch spread, I’ll add something fresh like Cucumber Radish Salad. It’s one of those small additions that instantly makes any meal feel thoughtful and special.

Ingredients you need to make Caramelized Onion Jam :

– Onions are the star of this jam and transform beautifully as they slowly cook down.

– Olive oil or butter helps the onions soften and caramelize evenly while adding richness.

– Brown sugar enhances the natural sweetness of the onions.

– Balsamic vinegar adds tangy depth and balances the sweetness perfectly.

– Garlic adds savory warmth and boosts the flavor without overpowering the onions.

– Fresh thyme adds an herby, slightly earthy note that pairs.

Optional :

• Red pepper flakes add a subtle kick if you like a little heat
• Honey can be added for extra sweetness and shine

How to Make Caramelized Onion Jam:

Step 1

Peel the onions and slice them thinly. Try to keep the slices even so they cook at the same speed. If you are a kid, ask an adult for help with cutting.

Place a large skillet or heavy-bottom pan over medium heat. Add the olive oil and butter. Let the butter melt completely.

Step 2

Put all the sliced onions into the pan. Stir them so they are coated with oil and butter. At first, the pan will look very full, but don’t worry. The onions will shrink as they cook.

Turn the heat down to medium-low. Let the onions cook slowly for about 25–35 minutes. Stir every few minutes so they don’t burn. They will slowly turn soft, golden, and then deep brown.

Step 3

When the onions are dark golden brown and very soft, add the brown sugar, salt, pepper, and thyme. Stir well.

Pour in the balsamic vinegar and apple cider vinegar. Stir everything together. The vinegar adds a little tangy flavor that balances the sweetness.

Step 4

Let the mixture cook for another 5–10 minutes. If it looks too dry, add 1–2 tablespoons of water. The jam should look thick and glossy.

Remove from heat and let the jam cool completely. It will thicken even more as it cools.

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