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    You are in: Home / Recipes / Crock Pot Onion Confit Recipe
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    Crock Pot Onion Confit

    Crock Pot Onion Confit. Photo by moxie

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    Total Time:

    Prep Time:

    Cook Time:

    18 hrs 15 mins

    15 mins

    18 hrs

    s'kat's Note:

    I've found that a crock pot is the perfect vehicle for creating the perfect onion confit. Don't use fresh, sweet onions for this, due to the lengthy cooking time. Please realize that this recipe is only a basic framework; your mileage may vary, so adjust accordingly! Length of crock pot cooking time is roughly 18 hours. Don't take them out until they are very dark and reduced, almost gelatinous in texture. Onion confit is fantastic on pizzas, as a sandwich spread, as an appetizer with thinly-sliced baguettes, etc. It makes a killer, quickie-base for French onion soup, too.

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    Units: US | Metric


    1. 1
      If you don't have demi-glace, take 2 cups good-quality stock and reduce to 1/2 cup.
    2. 2
      Place everything in crock pot and thoroughly combine.
    3. 3
      Turn to high, until just before going to bed (about eight hours).
    4. 4
    5. 5
      Turn to low for overnight.
    6. 6
      Upon waking, stir, and turn back to high until finished.
    7. 7
      Water content will vary from onion to onion, so if your confit is still quite watery towards the end, remove lid and allow excess water to cook off.
    8. 8
      This will keep for at least two weeks, covered, in the refrigerator.

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    Ratings & Reviews:

    • on November 18, 2009


      I've made onion confit many times, always using a crock pot. The recipe has varied, from this one, to several of the others on Recipezaar, to a whole series from a 90 page discussion on onion confit at!! The basic idea is "onion + oil + aromatic(s)". Aromatics have included white and/or red wines, champagne, cognac, herbs and spices (e.g., rosemary), fruit (e.g., oranges). The result is always amazing ... If you are adapting a different onion confit recipe to crockpot, remember that you will probably need to reduce the liquid you're adding ... or increase the cooking time. I've seen crockpot confit recipes that go out to 18-24 hours at low heat ... and the resulting confit is like liquid gold, whether on a pizza, as a base for onion soup, or as an accompaniment to a wonderful meat ... Thanks, s'kat, for a wonderful recipe ... and the basis for so many more!

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    • on September 29, 2004


      S'kat, these were awesome. I used half white onions and half yellow. None of them were sweet onions. I subbed 2 Tablespoons of fresh thyme for the dried, but otherwise made no changes. These were awesome on a toasted baguette with some chevre.

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    • on September 24, 2004


      I enjoyed this. Essy prep although I thought I would die from peeling! Great base for onion soup which I made the next day. Great recipe!

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    Nutritional Facts for Crock Pot Onion Confit

    Serving Size: 1 (1400 g)

    Servings Per Recipe: 1

    Amount Per Serving
    % Daily Value
    Calories 1519.8
    Calories from Fat 909
    Total Fat 101.0 g
    Saturated Fat 36.9 g
    Cholesterol 122.0 mg
    Sodium 51.4 mg
    Total Carbohydrate 114.1 g
    Dietary Fiber 15.7 g
    Sugars 46.7 g
    Protein 10.5 g

    The following items or measurements are not included:


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