In a bowl mix flour, egg and salt. Add 1 tbsp of water at a time until a ball of soft dough forms.
Allow dough to rest for 30 minutes.
Take a golf size ball of your dough out and using a lightly floured rolling pin roll it into a thin flat circle.
Use a sharp knife to cut the edges of the circle off so it now is in the form of a square.
Prepare desired filling and add to the end with room at the bottom and sides to wrap it up.
Prepare a paste of 1 tbso flour + 1 tbsp water and have it next to your roll to seal the ends.
Roll dough up and over the top of the meat filling. Then fold in the sides and use a bit of your paste to stick it on so it doesn't unravel.
Roll meat over and over until it nearly reaches the end of your square dough. Add a bit more paste to the end of your dough and fold it over the very top. Seal shut and now you're ready to deep fry or air fry your egg rolls.