Heat oil in a large frying pan over medium-high heat. Cook the halloumi for 3-4 minutes each side in batches until golden.
Roughly mash the avocado. Stir in lemon, shallots and coriander. Season well.
Spread Kumato®chilli jam over the base and top of each roll. Top base with avocado mixture, haloumi, sliced Kumato®tomato then scatter with extra coriander leaves. Sandwich together with bun tops. Serve.