Rich Red Wine Caramelized Onion Jam

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Elevate your burgers and cheese plates with this rich, jammy caramelized onion condiment. Slow-cooked with red wine and balsamic vinegar for depth and sweetness.

↓ The ingredients ↓ The steps

Caramelized onion jam is a quintessential component for transforming simple dishes into gourmet experiences. This method balances the natural sugars of yellow onions with the acidity of red wine and balsamic vinegar, resulting in a deeply savory, sticky, and complex spread that pairs perfectly with sharp cheeses or grilled meats.

Homemade caramelized red wine onion jam, dark, glossy, and perfectly reduced.
Homemade caramelized red wine onion jam, dark, glossy, and perfectly reduced.
Prep15 mins
Cook1 hr
Total1 hr 15 mins
Yield1 jar (approx. 300g)
DifficultyMedium
Calories200 kcal

Ingredients

Instructions

  1. 1Deglaze the onions
    Onions sautéing in a pan with a splash of red wine and olive oil being mixed in.

    Add 5 grams of olive oil and a splash of red wine to the sautéed onions. Continue to cook over low heat, stirring continuously to allow the liquids to combine and help the onions release their flavors.

    Tip: Keep the heat controlled during this stage as the butter can brown quickly; stirring consistently keeps the onions moving and prevents burning.
  2. 2Sauté the onions
    Sliced onions being continuously stirred with a spatula on a hot flat cooking surface to soften and caramelize.

    Keep the onions moving continuously over the heat to ensure even cooking. As they release their natural moisture, they will begin to soften and slowly transition toward a darker, clumped texture. Monitor the heat carefully so the mixture cooks down without burning.

    Tip: Keep the heat low and stir frequently; patience is key to achieving a sweet, deep caramelization without scorching the butter.
  3. 3Finish with balsamic vinegar
    Close-up of caramelized onions in a pan reaching a rich, dark, and thick jam-like consistency.

    Add a drizzle of balsamic vinegar and the black pepper to the mixture. Stir continuously over low heat until the onions have reduced and developed a deep, jam-like consistency.

    Tip: For the best texture, ensure the onions are soft and well-clumped together before removing from the heat.

Storage & Usage

Refrigerator
2 weeks
Store in a clean, airtight glass jar.
Freezer
3 months
Freeze in small portions for easy thawing.

Burn It Off

Walking
~40 minutes at a brisk pace (~5 km/h).
House Cleaning
~50 minutes of active housework.
Yoga
~60 minutes of gentle yoga.

Frequently Asked Questions

The onions should be very soft, significantly reduced in volume, and have a deep, mahogany brown color. They should hold together in a sticky, clumped mass rather than individual strands.
Yellow onions provide the best balance of sweetness and structure. You can use sweet onions like Vidalia for a milder flavor, but avoid using strictly red onions as they can sometimes become slightly bitter during the long cooking process.
Graininess is usually caused by the sugar not fully dissolving or the onions drying out too much. Ensure you are cooking over low heat and stirring consistently to maintain moisture throughout the process.
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