Basic Russian Vareniki or Pelmeni Dough (Russian Pierogi)

large egg

sour cream

water + 1 1/4 cup 2% milk (or use 1 cup water + 1 cup whole milk)

all-purpose flour (plus about 1 cup more for dusting)

Potato & onion

Blueberry

Cherry

Ground pork and turkey

Zazharka: Saute bacon and onion in butter and drizzle over your finished vareniki/pierogies.

Melted butter. Also good dipped in vinegar or ketchup.

Dust finished product with some sugar to keep from sticking and dip in sour cream.