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Onion Marmalade

This homemade onion marmalade is a versatile vegan condiment that balances savoury depth with a gentle sweetness. Slow-cooked onions are infused with tangy white wine vinegar and punctuated by the tartness of dried cranberries and the subtle pop of mustard seeds. Unlike shop-bought versions, this version avoids artificial thickeners, resulting in a clean, vibrant flavour profile that complements a wide range of dishes.

Serve this preserve alongside a vegan cheese board, use it to elevate a simple grilled sandwich, or offer it as a sophisticated accompaniment to roasted vegetables. It is an excellent make-ahead recipe for festive entertaining or Sunday lunches, as the flavours develop beautifully when chilled. Packed into a glass jar, it also makes a thoughtful and elegant gift for food-loving friends.

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Ingredients for Onion Marmalade

  • 60ml extra-virgin olive oil

  • 425ml chopped onion

  • 120ml water

  • 3 tablespoons sugar

  • 3 tablespoons dried cranberries

  • 1 teaspoon yellow mustard seeds

  • 120ml white wine vinegar

How to make Onion Marmalade

Heat oil in heavy medium saucepan over medium heat. Add onion and sautéuntil beginning to soften (do not brown), stirring frequently, about 8 minutes. Add 120ml water, sugar, cranberries, and mustard seeds. Cook until almost all liquid is absorbed, stirring often, about 8 minutes. Add vinegar and simmer until marmalade is thick, stirring often, 7 to 8 minutes. Season to taste with salt and pepper. Cool. DO AHEAD: Can be made 1 week ahead. Cover and chill.

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While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Historique de l'article

Les informations contenues dans cette page ont été évaluées par des cliniciens qualifiés.

  • 16 janvier 2026 | Publié à l'origine

    Auteur: :

    UK recipe editors

    Examiné par des pairs

    UK recipe editors
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