‘The traditional Cyprus Sandwich with Halloumi’, if you are foodie, don’t dare to miss it

Ingredients:
- 1large finger rolls or 1 pita bread or 1 hoagie roll
- 4 slices halloumi cheese
- 1 tablespoon olive oil
- 1⁄4onion, peeled and sliced
- 1⁄2large fresh tomato, sliced
- 1⁄4fresh lemon
- fresh oregano leaves(Rigoni leaves)
- lettuce leaf, to serve
- black olives, to serve