CookEat Recipe

Celeriac and Mushroom Sauce with Horseradish

Roasted celeriac and yogurt give body to a thick, strongly pungent horseradish sauce. Raw button mushrooms, parsley and black pepper are blended into the cooled root vegetable with red wine vinegar.

  • finishing touch
  • make ahead

Method

Steps

  1. Step 1

    Wash the fresh produce and use clean utensils. Unless specified below, vegetable weights refer to the prepared edible parts. Reserve 180 ml of the listed water for blending.

  2. Step 2

    Peel the raw celeriac deeply enough to remove the tough surface; cut into 1 cm cubes. Use fresh cultivated button mushrooms, trim the stem ends and slice thinly. Use fresh horseradish root, peeled and finely grated; weigh after peeling. Wash, dry and finely chop parsley; discard coarse stems. Use ground black pepper; measure before adding.

  3. Step 3

    Toss the diced celeriac with half the olive oil and roast on a lined tray at 200°C for 25–30 minutes, until easily pierced and lightly golden.

  4. Step 4

    Spread the cooked components in a shallow dish and let them cool for about 10 minutes until no longer hot before mixing with the fresh ingredients. Prepare the remaining ingredients while the cooked components cool.

  5. Step 5

    Combine the prepared celeriac, mushrooms, parsley, horseradish, red wine vinegar, black pepper, natural yoghurt in a blender with the remaining half of the olive oil. Add the 180 ml of blending water. Blend until evenly combined, stopping to scrape down the bowl.

  6. Step 6

    Transfer to a clean serving container and rest for 10 minutes. Serve promptly, or refrigerate in a shallow covered container at 4°C or below and use within 2 days. Keep total time at room temperature under 2 hours; stir before serving.

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