Pierogi ruskie, 40 pierogi
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Dough · Step 1 of 2
Mix 4 cups plain flour and 0.25 oz fine salt, add 1 egg, 0.75 oz sunflower oil and 8 oz warm water, and knead 6 min.
smooth and soft, like an earlobe
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Dough · Step 2 of 2
Wrap and rest at room temperature.
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Filling · Step 1 of 3
Boil 1.32 lb floury potatoes, peeled in salted water until tender, drain and let steam dry.
a knife slides in without resistance
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Filling · Step 2 of 3
Fry 10.5 oz onions, finely diced in 2 oz butter over medium heat, about 150 °C, until golden. Keep half for serving.
150 °C
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Filling · Step 3 of 3
Mash the potatoes with 10.5 oz dry farmer's cheese (twaróg), half the onion, 0.25 oz fine salt and 0.25 oz black pepper. Cool completely.
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Shape and Cook · Step 1 of 3
Roll the dough to 2 mm (0.08 in), cut 7 cm (2 ¾ in) rounds, fill each and pinch shut into 40 half moons.
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Shape and Cook · Step 2 of 3
Cook in batches in a large pot of simmering water with 0.75 oz salt for the pot, 2 minutes after they float.
they float, then 2 minutes more
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Shape and Cook · Step 3 of 3
Serve with the rest of the onions and their butter.