Pierogi Dough - cooking recipe

Ingredients

2 cups flour
1 egg
1/2 cup warm water
1 teaspoon salt
2 tablespoons oil

Preparation

Mix all ingredients together lightly in bowl.
Knead until smooth.
Let rest, covered, 30 minutes.
Using half of the dough at a time, roll out to 1/8 inch thickness.
Cut circles with biscuit cutter or floured glass.
Fill with a golf-ball sized hunk of filling (described separately), pinch to seal.
Boil 5-8 minutes, until floating.
Fry in butter until crisp.