1Heat butter oil in a pan. Add chopped onions and mushrooms.
2Add yellow and red peppers, chopped green chillies and chopped jalapenos. Mix well.
3Add salt, chilli flakes, black pepper and a pinch of red chilli powder. Mix well.
4Add mozzarella cheese and fresh coriander. Mix well and let the cheese melt. Add double cream and mix well.
5Transfer the mixture to a plate and let it cool.
6Slit the chicken breasts into two like a butterfly and spread English mustard on each piece.
7Stuff the chicken breasts with the cheese mixture and cover.
8Coat the chicken in dry flour seasoned with black pepper, chilli flakes and salt.
9Dip in egg and coat again with panko breadcrumbs.
10Deep fry the chicken until golden brown and crispy.
11Prepare the sauce: Melt butter in a pan. Add onions, chopped green chillies, cream, milk, salt, black pepper, kasuri methi and coriander. Mix well and add chilli flakes.
12Serve the crispy chicken with the sauce, sliced potato fries and veggies.