Red Onion Marmalade
Sweet, tangy, and irresistibly savory, this Red Onion Marmalade recipe is a showstopping condiment that will elevate any meal. Slow-cooked red onions are caramelized with brown sugar and a harmonious blend of balsamic and red wine vinegars, creating a jam-like mixture packed with depth and complexity. Fragrant sprigs of fresh thyme infuse the marmalade with herbaceous notes, while just a hint of salt and pepper ensures a perfect balance of flavors. Ready in under an hour, this versatile relish is the ultimate pairing companion, ideal for slathering on crusty bread, complementing creamy cheeses, or adding gourmet flair to burgers and roasted meats. Stored properly, it keeps well in the fridge, making it a handy go-to for instant flavor. Treat your taste buds to this indulgent condiment and discover why homemade pantry staples reign supreme!
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Recipe Information
Ingredients
- 4 large red onions
- 2 tablespoons olive oil
- 3 tablespoons brown sugar
- 4 tablespoons balsamic vinegar
- 2 tablespoons red wine vinegar
- 2 sprigs fresh thyme
- 0.5 teaspoons salt
- 0.25 teaspoons black pepper
- 2 tablespoons water
Instructions
Peel and thinly slice the red onions into half-moons.
In a large skillet or heavy-bottomed saucepan, heat the olive oil over medium heat.
Add the sliced red onions and cook for about 10 minutes, stirring occasionally, until softened and slightly translucent.
Sprinkle the brown sugar over the onions and stir well to combine. Cook for another 5 minutes to allow the sugar to dissolve and begin to caramelize.
Pour in the balsamic vinegar and red wine vinegar, stirring to coat the onions evenly.
Add the fresh thyme sprigs, salt, and black pepper. Stir well and reduce the heat to low.
Let the onions cook over low heat for 25–30 minutes, stirring occasionally to prevent sticking or burning. If the mixture starts to dry out, add 1–2 tablespoons of water as needed.
Once the onions are soft, sticky, and jam-like, remove the thyme sprigs and discard them.
Taste the marmalade and adjust the seasoning with additional salt or pepper if needed.
Let the marmalade cool slightly before transferring it to sterilized jars or an airtight container. Allow to cool completely before storing in the refrigerator.
Serve the red onion marmalade as a condiment with bread, cheese, meats, or burgers.
Nutrition Facts
Calories |
740 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 29.0 g | 37% | |
| Saturated Fat | 4.3 g | 22% | |
| Polyunsaturated Fat | 2.7 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 1237 mg | 54% | |
| Total Carbohydrate | 113.1 g | 41% | |
| Dietary Fiber | 15.3 g | 55% | |
| Total Sugars | 80.8 g | ||
| Protein | 9.5 g | 19% | |
| Vitamin D | 0.0 mcg | 0% | |
| Calcium | 250 mg | 19% | |
| Iron | 3.1 mg | 17% | |
| Potassium | 1386 mg | 29% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
