Stock the pantry with Caramelized Onion Jam with Balsamic Vinegar for an easy but elegant appetizer. This jam is perfect for unexpected guests or a delightful addition to any gathering. The rich, savory flavors combined with the tangy sweetness of balsamic vinegar make it a standout choice for various occasions, from casual get-togethers to sophisticated dinner parties.

Why You’ll Love This Caramelized Onion Jam with Balsamic Vinegar
This jam is not only delicious but also incredibly versatile.
- Easy to Make: With simple ingredients and straightforward steps, you can whip up this jam in no time.
- Gourmet Flavor: The combination of caramelized onions and balsamic vinegar creates a depth of flavor that impresses everyone.
- Versatile Use: Perfect as a topping for meats, burgers, or even on cheese platters.
- Ideal for Canning: Preserve your jam for later use or gift it to friends and family.
- Perfect Pairing: Complements a variety of dishes, enhancing your meals effortlessly.
Tools and Preparation
To make your Caramelized Onion Jam with Balsamic Vinegar, having the right tools will make the process smooth and efficient.
Essential Tools and Equipment
- Large heavy-bottomed saucepan or Dutch oven
- Wooden spoon or spatula
- Canning pot
- Canning jars (quarter-pint, half-pint, or pint-sized)
- Jar lifter
Importance of Each Tool
- Heavy-bottomed saucepan: Ensures even heat distribution while cooking your onions, preventing burning.
- Canning pot: Essential for safely processing jars to preserve your jam.
- Jar lifter: Makes it easier to handle hot jars without risking burns.
Ingredients
Prep Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes
Servings: 3 – 4 half pints
For the Jam
- 4 pounds sweet yellow onions, sliced
- 4 tablespoons extra virgin olive oil
- 1 ½ cups granulated sugar
- 1 ½ cups balsamic vinegar
- 2 tablespoons finely minced summer savory or a combination of thyme and rosemary
- 2 teaspoons sea salt
- 1 teaspoon ground black pepper

How to Make Caramelized Onion Jam with Balsamic Vinegar
Step 1: Prep for Canning
- Fill a canning pot with water and set the lid in place. Heat on high until boiling.
- Gather clean jars, ensuring they are free of nicks that might impede sealing.
- Wash lids and rings in hot soapy water.
Step 2: Make the Jam
- In a large heavy-bottomed saucepan or Dutch oven, add olive oil and sliced onions over medium heat.
- Stir occasionally and cook until the onions are golden brown, about 10-15 minutes.
- Add sugar and balsamic vinegar; continue cooking for at least another 45 minutes until thickened and syrupy.
- Stir in salt, pepper, and herbs once the mixture has reached the desired consistency.
Step 3: Canning the Jam
- Ladle hot jam into prepared jars, leaving about 1/4 headspace.
- Wipe jar rims to ensure they are clean for sealing.
- Place lids on jars and screw bands on finger tight.
- Submerge jars carefully into simmering water using a jar lifter; water should cover jars by at least an inch.
- Process jars for 10 minutes (add one minute per additional 1,000 feet altitude).
- Remove jars from water after processing and let cool on a towel-covered surface for 24 hours.
With these steps completed, your homemade Caramelized Onion Jam with Balsamic Vinegar will be ready to enjoy!
How to Serve Caramelized Onion Jam with Balsamic Vinegar
Caramelized onion jam with balsamic vinegar is a versatile condiment that can elevate many dishes. Here are some delightful ways to enjoy this savory jam.
On Cheese Boards
- Cheese Pairing: Serve it alongside creamy cheeses like Brie or sharp Cheddar for a rich flavor contrast.
- Crackers and Bread: Spread on crusty bread or artisan crackers for a simple yet elegant appetizer.
With Meats
- Glazed Chicken: Use the jam as a glaze for grilled or roasted chicken, adding depth and sweetness.
- Pork Chops: Top seared pork chops with the jam for a deliciously sophisticated meal.
In Sandwiches
- Gourmet Grilled Cheese: Spread on homemade bread with your favorite cheeses, then grill until melty and golden.
- Burger Topping: Add a spoonful of onion jam to burgers for an unexpected burst of flavor.
How to Perfect Caramelized Onion Jam with Balsamic Vinegar
Creating the perfect caramelized onion jam requires attention to detail. Here are some tips to enhance your recipe.
- Slow Cooking: Take your time while cooking the onions; low heat allows for deeper caramelization and richer flavors.
- Quality Ingredients: Use high-quality balsamic vinegar and fresh herbs to elevate the taste of your jam.
- Taste as You Go: Adjust sweetness or seasoning during cooking based on your personal preference.
- Store Properly: Keep your jam in airtight containers in the fridge to maintain freshness and flavor.
- Experiment with Herbs: Try different herbs like thyme or rosemary to find your favorite combination.
- Adjust Consistency: If the jam is too thick, add a splash of water or vinegar while cooking to achieve the desired texture.

Best Side Dishes for Caramelized Onion Jam with Balsamic Vinegar
Caramelized onion jam pairs wonderfully with various side dishes. Consider these options for a complete meal experience.
- Roasted Vegetables: Toss seasonal vegetables in olive oil and roast until tender; serve alongside the jam for added flavor.
- Garlic Mashed Potatoes: Creamy mashed potatoes topped with onion jam create a comforting side dish.
- Mixed Greens Salad: A fresh salad drizzled with balsamic vinaigrette complements the sweetness of the jam perfectly.
- Brussels Sprouts: Sauté Brussels sprouts until crispy and caramelized, then mix in some onion jam for an extra kick.
- Quinoa Pilaf: Fluffy quinoa mixed with herbs and spices pairs well when served with a dollop of this delicious jam.
- Stuffed Peppers: Fill bell peppers with rice, beans, and spices, then top them off with caramelized onion jam before baking for an exciting twist.
Common Mistakes to Avoid
Making Caramelized Onion Jam with Balsamic Vinegar can be an enjoyable experience, but there are a few common mistakes that can ruin the outcome. Here are some pitfalls to avoid.
- Skipping the onion quality: Always use fresh, sweet yellow onions for the best flavor. Stale or old onions can lead to bitter jam.
- Rushing the cooking process: Take your time when caramelizing onions. Cooking them too quickly over high heat can burn them and alter the taste.
- Neglecting proper measurements: Accurate measurements of sugar and vinegar are crucial for achieving the right sweetness and acidity. Use a kitchen scale for precision.
- Ignoring headspace during canning: Ensure you leave enough headspace in your jars (1/4 inch) when canning. This allows for proper sealing and prevents overflow.
- Skipping the taste test: Always taste your jam before bottling. If it lacks flavor, consider adjusting with more herbs or seasoning before finalizing.
Storage & Reheating Instructions
Refrigerator Storage
- Store your jam in clean, airtight containers.
- It will last up to 2 weeks in the refrigerator once opened.
Freezing Instructions
- Portion out the jam into freezer-safe containers or ice cube trays.
- It can be frozen for up to 6 months; just remember to leave space for expansion.
Reheating Instructions
- Oven: Preheat to 350°F (175°C) and warm the jam in an oven-safe dish for about 10 minutes until heated through.
- Microwave: Place in a microwave-safe container and heat in 20-second intervals, stirring between each interval until warm.
- Stovetop: Heat gently in a saucepan over low heat, stirring frequently until warmed to your liking.

Frequently Asked Questions
Here are some common questions about making and using Caramelized Onion Jam with Balsamic Vinegar.
Can I adjust the sweetness of the jam?
Yes! You can modify the amount of sugar based on your preference. Just remember that reducing sugar may affect texture.
How long does Caramelized Onion Jam with Balsamic Vinegar last?
When stored properly, it lasts up to two weeks in the fridge or six months if frozen.
What dishes pair well with this jam?
This versatile jam complements meats like pork and chicken, enhances grilled cheese sandwiches, and makes a gourmet topping for burgers.
Is it safe to can this recipe?
Absolutely! With a pH of 3.5, this recipe is safe for water bath canning, provided you follow all necessary steps carefully.
Can I use other types of vinegar?
You may experiment with other vinegars like red wine vinegar or apple cider vinegar, but balsamic provides a unique flavor that enhances the sweetness of the onions.
Final Thoughts
Caramelized Onion Jam with Balsamic Vinegar is not only delicious but also incredibly versatile. It’s perfect as an appetizer or as an addition to various dishes. Feel free to customize it by trying different herbs or adjusting the sweetness level. Give this recipe a try; you’ll love having it stocked in your pantry!

Caramelized Onion Jam with Balsamic Vinegar
- Total Time: 1 hour 15 minutes
- Yield: Approximately 3 - 4 half-pints 1x
Description
Elevate your culinary repertoire with this exquisite Caramelized Onion Jam with Balsamic Vinegar. This savory-sweet spread combines the rich, deep flavors of caramelized onions and the tangy notes of balsamic vinegar, making it an ideal addition to any gathering. Perfect for unexpected guests or as a gourmet touch to your cheese boards and meats, this jam is easy to prepare and can be preserved for later use. With its luxurious texture and flavor profile, this versatile condiment enhances everything from sandwiches to appetizers. Make a batch today and enjoy the sophisticated taste that will impress family and friends alike.
Ingredients
- 4 pounds sweet yellow onions, sliced
- 4 tablespoons extra virgin olive oil
- 1 ½ cups granulated sugar
- 1 ½ cups balsamic vinegar
- 2 tablespoons fresh herbs (thyme/rosemary)
- Sea salt and black pepper
Instructions
- In a large heavy-bottomed saucepan, heat olive oil over medium heat.
- Add sliced onions and cook, stirring occasionally, until golden brown (10-15 minutes).
- Stir in sugar and balsamic vinegar; continue cooking for about 45 minutes until thickened.
- Mix in salt, pepper, and herbs once desired consistency is reached.
- Ladle hot jam into clean jars, leaving a 1/4" headspace. Seal jars and process in boiling water for 10 minutes.
- Prep Time: 15 minutes
- Cook Time: 60 minutes
- Category: Appetizers
- Method: Canning
- Cuisine: American
Nutrition
- Serving Size: 2 tablespoons (30g)
- Calories: 80
- Sugar: 14g
- Sodium: 90mg
- Fat: 3g
- Saturated Fat: 0.5g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 16g
- Fiber: 0g
- Protein: <1g
- Cholesterol: 0mg
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