Mix all the filling ingredients in a bowl. Cover and place in the refrigerator for 1 hour.
To stuff pot stickers, place one scant tsp of stuffing mix into the center of the wrapper. Brush the egg yolk around the outer edge. Then fold in half and tuck.
This is a foolproof way to cook pot stickers. Place the desired number of pot stickers on a plate and steam them for 8-10 minutes.
When they're done, place the flat sides In a Teflon-coated skillet with a little poly-unsaturated oil. Cook over medium-high heat until crispy golden brown and serve with the soy-vinegar sauce for dipping.
Chef's Notes: To deep fry, cook submerged at 325° F until crispy.
Makes: 4