Heat a pan with cooking oil over medium high heat. Add the zucchini, garlic and saeujeot (or salt or fish sauce) to the pan. Cook, stirring well. Add water to the pan while stir frying.
Add the scallion, sesame oil and sesame seeds. Continue to cook until the zucchini is softened and turns translucent. Do not overcook. Taste and add more salted shrimp or salt if necessary.