Cut the pineapple into thick slices or if you want you can cut it into roundels. Roast them in an open flame, till they get slightly roasted. If you have the BBQ you can in that too.
Also, you put can put a grill on the stove and place the pineapple on that grill, and roast it.
Roast the capsicum also and keep it aside.
Chop the grilled pineapple, capsicum, and onions finely.
De-seed the tomato and de-seed the green chili.
Chop the tomato, green chili, and coriander leaves finely.
In a bowl combine the pineapple, onion, and capsicum. Add salt and red chili powder.
Add the chopped tomato, green chili, and coriander leaves.
Mix well. Add peanuts if you want and toss well.
Grilled pineapple salad is ready to serve.
You can serve this as a salsa with tortillas too.