Bring 2 inches of water to a boil in a large skillet.

Salt the boiling water.

Blanch the green beans for 2 minutes.

Drain the beans and immediately run them under cold water to cool.

Pat the blanched beans dry.

Thoroughly dry the skillet.

Return the dry skillet to high heat.

Add vegetable oil to the hot skillet.

Add the green beans to the hot oil.

Stir-fry the beans using tongs until they are charred and very hot, about 4 minutes.

Sprinkle the beans with sesame seeds.

Cook for 30 seconds more to toast the sesame seeds.

Pile the Haricots Frites onto a serving plate.

Salt to taste and serve immediately.