CookEat Recipe

Roasted Mushroom and Potato Sauce

Roasted button mushrooms are blended with yogurt, red wine vinegar, black pepper and rosemary. Hand-mashed boiled potato thickens the mixture into a creamy sauce without being worked through the blender.

  • sauce
  • 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 120 ml of the listed water for blending; the remaining 1000 ml is for the soaking and cooking steps below.

  2. Step 2

    Use fresh cultivated button mushrooms, trim the stem ends and slice thinly. Use raw peeled potato, cut into 1 cm cubes. Use ground black pepper; measure before adding. Strip rosemary leaves from the woody stems and chop finely before measuring.

  3. Step 3

    Roast the sliced mushrooms on a lined tray with half the olive oil at 200°C for 15–20 minutes, until tender and lightly browned.

  4. Step 4

    Cover the diced potato with 1000 ml of the water in a small saucepan. Bring to a boil, then simmer for 12–18 minutes, until a knife passes easily through the centre. Drain well and mash by hand while warm.

  5. Step 5

    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.

  6. Step 6

    Combine the prepared mushrooms, black pepper, chopped rosemary leaves, red wine vinegar, natural yoghurt in a blender with the remaining half of the olive oil. Add the 120 ml of blending water. Blend until evenly combined, stopping to scrape down the bowl.

  7. Step 7

    Transfer the blended mixture to a bowl and fold it gradually into the hand-mashed potato until uniform. Do not put the mash through a high-speed blender; stop stirring as soon as it is combined.

  8. Step 8

    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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