Russian Dumplings

Prepare the dough mixture: In a liquid measuring cup, whisk together egg, oil, and salt until well combined. Gradually add warm water to the mixture, stirring constantly, until you reach a total volume of 1 cup. Pour the dough mixture into a large mixing bowl and incorporate 3 cups of flour using a kneading motion until the dough is smooth, elastic, and free of lumps. Cover the bowl with a clean dish towel and let the dough rest for 30 minutes, allowing it to relax and become easier to work with.

Prepare the filling ingredients: In a medium-sized bowl, combine ground beef, finely chopped onion, water, salt, and pepper. Mix the ingredients together using your hands or a fork until they are thoroughly incorporated and well combined.

Prepare the baking surface: Lightly dust a baking sheet with 1 tablespoon of flour, making sure to cover the entire surface evenly.

Roll out a portion of dough: On a lightly floured surface, roll out a portion of the dough to an extremely thin thickness. Cover the remaining dough with a clean dish towel to prevent it from drying out and losing its pliability. Using a cookie cutter, cut out 2 1/2-inch rounds from the dough.

Assemble the pelmeni: Place a small amount of filling, approximately 1 teaspoon, on one half of each dough circle. Fold the other half over to form a crescent shape and press the edges together using your fingers, forming a tight seal. Join the ends of the crescent together and pinch them firmly to secure the filling inside.

Arrange the pelmeni: Place the assembled pelmeni on the prepared baking sheet, leaving a small gap between each one to allow for even cooking. Repeat this process with the remaining dough and filling.

Freeze the pelmeni: Place the assembled pelmeni in the freezer for 30 minutes to prevent them from sticking together during cooking.

Cook the pelmeni: Bring a large pot of lightly salted water to a gentle simmer. Working in batches, cook the frozen pelmeni in the simmering water until the meat is cooked through and they float to the top, approximately 5 minutes. Continue cooking for an additional 5 minutes. Use a slotted spoon to transfer the cooked pelmeni to serving plates, making sure not to break them apart.