Rinse the cucumber well. (You can peel the skin off if you like.) Thinly slice the cucumber and put them into a medium sized mixing bowl.
Add the salt and mix them evenly. Leave it for 20 mins on the kitchen bench.
Squeeze the water out from the cucumber. (Do this in small batches.) Set aside.
Heat the frying pan on mid high temperature. Once it is heated, add some cooking oil and spread it throughout the pan. Add the cucumber and stir fry it for 30 seconds on mid high temperature. Add the sesame seeds and sesame oil and stir evenly for another 30 seconds. Remove it from the heat and cool down for 15 to 30 mins. Serve.