Put tomato sauce, mustard powder, cumin powder, and red chilli powder in a mixing bowl. Blend well.
Melt the butter in a pan, then add the ginger paste, garlic paste, onion, jaggery, and the water needed to melt the jaggery.
Mix well and add the tomato sauce mixture.
The last step is to add vinegar and cook the sauce until it gets a little thicker.
When you're done making the rice,sauce and stir-fried vegetables (You can add french fries, which is optional), put them all to the side.
The last step is to get the sizzler tray ready.
Heat the sizzler plate over a flame. A prepared oven can heat them for 30 minutes. Place heated plates on wooden trays.
Place two cabbage leaves on plates greased with oil or butter. Put rice on one side and stir-fried veggies, stuffed capsicum, and fried paneer on the other.
Serve it sizzling with corn, barbecue sauce, and extra butter.