The absolute easiest way that doesn't require any special equipment is lightly wetting the rim of the dough with egg wash, water, or milk, then pressing and crimping it together using a fork. You can also use an empanada press, or use any of these fancy pastry folds to repulgue the empanadas. Pro Tip: If you're serving both sweet and savory empanadas (or two different types of savory empanadas), use two different crimps to help differentiate them from one another.