Make buns: mix dry ingredients well add oil and butter then mix well
Bind to a soft dough with warm milk, knead well then let it rise
Punch back and make twelve balls, then roll each into onlong puri, approx one centimetre thick, when all done
Put a piece of foil halfway of puri to end (semicircle), the remaining part of puri bring on top of foil as in you making a semi circle, or just brush with oil all over the puri and fold in half
Lay each semi circle puri on greased tray keeping space in between of few centimetres
Glaze with beaten egg sprinkle sesame (optional) and let it fully rise
Bake in oven on 200C till nicely browned up on top
Usually bao buns are steamed
Prepare pickles: In a bowl put all veggies together, pour vinegar and salt, mix well and keep aside
Prepare filling: In a bowl put steak with the rest of ingredients except cornflour mixture, can marinate for three hours
In a nonstick pan pour four tablespoon of oil keep high flame
Add marinated fillet and fry till browned up
Add cornflour mixture and mix well as it tends to form lumps, toss well and remove from flame
Fill the buns with fried fillet and pickles
