Heat butter in non-stick pan, add spring onion white, green chilli and sauté on medium flame for 1-2 min.
Add cabbage, carrot, spring onion green, mix well and sauté for 1 min.
Do not overcook, else the crunch of veggies will be lost.
Add chilli sauce, tomato ketchup and salt, mix well and cook for 1 min.
Add the cheese and switch off the flame.
Let it cool and divide filling into 4 equal portions.
Now take 2 bread slice, put filling inside, and keep the breads in gas stove sandwich maker.
Serve with ketchup.