Tuesday, September 23, 2025

Creamy Thyme Mashed Potatoes

 

(Pressure Cooker, Swiss Style)


Servings: 8–9 generous portions

Equipment: 6–8 qt pressure cooker/Instant Pot, hand masher


Ingredients

  • 2.5 kg starchy Swiss potatoes (look for mehligkochend, often labeled for purée/gnocchi)

  • 200 ml whole milk (or up to 250 ml for creamier texture)

  • 100 ml heavy cream (optional, but makes it luxurious)

  • 200 g unsalted butter, cut into cubes, room temp

  • 2 tsp fine sea salt, plus more to taste

  • Freshly ground black pepper, to taste

  • 4–5 sprigs fresh thyme

  • (Optional garnish) extra butter pats + chopped chives or parsley


Instructions

  1. Prep potatoes (10 min)

    • Peel potatoes and cut into even chunks, about 4–5 cm.

    • Place in a large bowl of cold water while cutting to reduce excess starch. Drain before cooking.

  2. Pressure cook potatoes (20 min total)

    • Add 1 cup (250 ml) water to the pressure cooker.

    • Place potatoes in a steamer basket or directly on a trivet (not submerged).

    • Cook on High Pressure for 10 minutes, then quick release.

    • Check doneness: a knife should slide in easily. If not, cook 2 more minutes.

    • Drain well if any water collected.

  3. Infuse butter & dairy (10 min, can overlap with potato cooking)

    • In a small saucepan, add milk, cream, and butter cubes.

    • Add thyme sprigs.

    • Heat gently on low until butter melts and mixture is warm and fragrant (do not boil).

    • Remove thyme sprigs before using.

  4. Mash potatoes (10 min)

    • Transfer hot potatoes to a large pot or bowl.

    • Mash immediately with the hand masher until mostly smooth.

    • Pour in half of the hot thyme butter-cream mixture and mash/stir gently.

    • Add the rest gradually until potatoes are creamy but still fluffy.

    • Season with salt and black pepper.

  5. Serve (or hold warm)

    • For extra indulgence, top with a few more cubes of butter and sprinkle with chives/parsley.

    • If not serving immediately, place mashed potatoes in a heatproof bowl, cover tightly with foil, and set over a pot of simmering water (bain-marie). They’ll stay warm and silky for up to 1 hour.


Timing at a Glance

  • Prep potatoes: 10 min

  • Pressure cook: 10 min + release 5 min

  • Infuse thyme milk/cream/butter: 10 min (done while potatoes cook)

  • Mash & mix: 10 min

    👉 Total active time: ~30–35 min

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