01 -
Sift the flour into a large mixing bowl and add a pinch of salt. Melt butter in the boiling water, then gradually pour the mixture into the flour while stirring. Combine ingredients and knead on a floured surface for 7 minutes, adding more flour if necessary to achieve a soft, non-sticky dough. Cover with a damp cloth and rest for 30 minutes.
02 -
If using fresh blueberries, rinse gently and dry thoroughly. Place blueberries in a bowl, sprinkle with flour and sugar, and toss to combine. If using frozen blueberries, use directly from the freezer.
03 -
Divide rested dough into 3 or 4 portions. On a floured surface, roll each portion into a thin sheet. Cut out circles using a small glass.
04 -
Spoon 1 teaspoon of blueberry filling into the center of each dough circle. Fold over to form a half-moon, pressing edges together to seal. Place shaped pierogi on a floured surface.
05 -
Bring a large pot of salted water to the boil. Working in batches, add pierogi and cook. Once they float, simmer for an additional 2 minutes. Remove with a slotted spoon.
06 -
Serve warm, garnished with sour cream, a sprinkling of sugar, and fresh blueberries as desired.