Add oil to the pan, once the oil becomes hot add onions and sweet pepper; saute till they are cooked. Add salt and pepper, mix well and switch off
Spread the pesto on one side of all the bread slices. Add around 2 tablespoon of the sauted mixture over two slices and spread it
Sprinkle cheese over the vegggi mixture and cover each pesto coated slice with remaining two slices
Place it in a greased waffle/ sandwich maker and cook for 2 minutes or as per the sandwich maker’s instructions. Serve it with ketchup