Place 8-inch frying pan on medium heat.
Add 2 tbsp oil and chopped onions, saute till translucent and slightly golden.
Add chopped tomatoes.
Add salt, haldi, red chili pepper and paprika.
Stir for 7-10 minutes over a medium-high heat. The tomatoes should keep their shape somewhat.
Smear butter all over the bottom and sides of the quiche dish.
Transfer the chopped tomato sauce to the dish.
Gently crack open the eggs one by one on to the tomato base.
Place in oven for 15-20 minutes for a soft yolk and 20-25 for a more cooked yolk.
Sprinkle with chopped coriander leaves.