Cut paneer into cubes
Toss paneer with cornflour, salt, and a little pepper
Heat oil in a pan and shallow-fry or deep-fry the paneer until golden
Remove the paneer and set aside
In another pan, heat oil
Add chopped garlic, ginger, and green chilies
Add sliced onions and capsicum
Stir-fry on high heat for a few minutes
Add soy sauce, red chili sauce, tomato ketchup, vinegar, and salt
Mix well
Add a little water if needed
Add a cornflour slurry to thicken the sauce
Add the fried paneer cubes
Toss until the paneer is well coated
Garnish with spring onion greens
Serve hot