Method :
1. Remove the bread crust and cut it into 2.
2. Use a small (2cm) round cutter to cut 3 holes on a bread.
3. Use the same cutter to cut tomato skin, chesse slice and cucumber skin.
4. Spread some tuna on another bread. Arrange the round tomato, cheese and cucumber on it. (Refer to the photo above)
5. Cover it the bread slice in step 2.