Walnut Ketchup

User Reviews

4.8

18 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    20 mins

  • Total Time

    1 hr 5 mins

  • Servings

    6 cups

  • Course

    Condiments

  • Cuisine

    British

Walnut Ketchup

I used unripe black walnuts for this recipe, but any unripe walnut will do. Ideally they are young enough to jam a knife all the way through, but you can even use slightly older nuts where the inner shell of the nut itself is starting to form. Keep in mind this is not as thick as tomato ketchup. It's more like a Worcestershire sauce, but it tastes more like A1. Use this as a marinade or splash it on any sort of red meat -- beef, venison, duck, goose, hare, etc.

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Ingredients

Servings
  • About 50 green walnuts
  • 3 tablespoons kosher salt
  • 1 12- ounce bottle malt vinegar
  • 3 to 4 cups cider vinegar
  • 2 ounces of anchovies, rinsed well
  • 1 large onion, chopped
  • 1 cup red wine or Port
  • 1 teaspoon ground nutmeg
  • 2 teaspoons ground black pepper
  • 1 teaspoon cayenne
  • 1/4 cup chopped or grated horseradish
  • A 1-inch piece of ginger, unpeeled and sliced thin
  • 1/2 teaspoon xanthan gum (optional)
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Instructions

  1. Crush, chop, crack or grind your walnuts. Remember this is a messy job and the liquid will stain, so your method should reflect that. I wear gloves and a ratty long-sleeved shirt and chop my walnuts small with a stainless steel knife on a dark-stained cutting board, This minimizes the staining.
  2. Put the walnuts in a large glass or other non-reactive container and cover with the two vinegars. I find it makes a better walnut ketchup with only malt vinegar, but as this can get expensive, you can make do with some malt vinegar balanced with some cider vinegar. Just barely cover the walnuts with the vinegar. Put the lid on the container and let this sit at room temperature for 8 days.
  3. After 8 days, move the walnuts and vinegar into a large, non-reactive pot and add the remaining ingredients. Boil gently for 45 minutes, then strain through a fine-mesh sieve to separate the solids. As an extra step, you can wait until the sauce cools and then buzz the sauce in a blender with the xanthan gum; this will keep the very fine solids suspended in the ketchup and give you a sauce with more body.
  4. Bottle the sauce and keep it in a cool, dark place indefinitely.
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Overall Rating

4.8

18 reviews
Excellent

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