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1
First, prepare the dough.
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2
Proof the yeast, if necessary.
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3
Combine all dough ingredients and knead until smooth and elastic, adding flour as needed.
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4
It usually takes me about 15 minutes of kneading to get it where it looks silky.
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5
I choose not to use my stand mixer because I love kneading dough.
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6
This is a very wet dough, so you might use up to a cup more of flour to get it to where it needs to be.
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7
Place in a buttered bowl, turn to coat.
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8
Cover loosely with plastic and allow to rise in a warm place for two hours.
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9
Punch down, cover, and let rise until doubled again, about 45 minutes.
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10
Next, make the filling.
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11
Saute the mushrooms and the parsley in the butter until the mushrooms are cooked and the pan juices have almost completely evaporated.
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12
Add flour, grated onion, and sour cream to the skillet and cook until heated through and well mixed, about 3 to 4 minutes.
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13
Season with salt and heavy pepper.
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14
Take off heat and stir in eggs and green onions.
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15
Taste again, season if necessary.
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16
Preheat oven to 350F.
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17
Line baking sheets with parchment.
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18
Roll dough out on a floured surface to about 1/8 thickness.
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19
Using a 3 biscuit cutter, cut out rounds.
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20
Gather scraps, knead slightly and re-roll to repeat the process.
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21
Each round will probably need to be individually flattened with a rolling pin to re-achieve the thickness, as the dough will continue to puff and be naughty.
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22
Place 1 heaping TEASPOON in the center of the round, fold over, and crimp edges with fork.
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23
Once a baking sheet is full of piroshki, mix the beaten egg with 1 tablespoon water to make an egg wash and brush the tops with the egg wash. Bake for 15 to 20 minutes until tops are a beautiful golden brown.
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24
These freeze very nicely.
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25
I love to having these on hand during the cold months to serve with soups or roasted chicken.
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26
Also, if any rounds are left after the mushroom filling is used up, place a small amount of raspberry jam and chocolate chips as filling (my 7-year-olds idea).