This dish, originating from the Punjab region, is characterized by its rich, buttery tomato-based gravy and the use of a specific fenugreek element that is not usually visible. It gained popularity globally but is often prepared differently outside India. What is it?

1. It is often served with naan or rice.
2. It is typically vegetarian, but a non-vegetarian variant exists.
3. The gravy is traditionally made with tomatoes, butter, cream, and spices.
4. The main ingredient can be paneer or chicken.