Wash the potatoes and cut on skin, add butter and put in Air fryer for roasting for 10 mins at 180 ℃. Cut the potato in middle, add cheese to roast for 5 more minutes.

Take slices of bread and roast for 1 minute, add cucumber slices, add crushed roasted potato mixed with pepper and salt. Add tomatoe ketchup on it..Place the 2nd pc of bread. Cut into 2 pieces diagonally.