Mix in milk, lemon juice, little salt, 1/2 tsp garlic powder and egg. Mix everything well. Add Chicken and Marinate it for 30-45 minutes.
Mix in the all purpose flour with corn starch powder. Add a little salt and red chili powder. Roll the marinated chicken pieces.
Heat oil in a pan and fry the chicken pieces till they are golden brown.
Take them out on a kitchen towel so it can take out the excess oil.
Take another pan, add olive oil. Add marinara sauce, remaining garlic powder, onion powder, dried Oregano and red chili flakes. Cook everything together. Add a little salt as well. Let the whole sauce come to a boil. Turn of the gas.
Add the fried chicken to the sauce. Coat the chicken pieces well.
Turn the oven on 325 F. Place the coated chicken pieces between the hot dog buns.
Add onions in between too.
Add the grated/shredded cheese on top.
Place the buns in the oven and let it bake for around 5-10 minutes.
Sprinkle some powder Parmesan cheese on top before serving.