Cut the zucchini into triangular pieces and sprinkle with salt. Let it sit for 10 minutes, then remove excess water.

Cut the beef flank steak into bite-sized pieces.

Mix all the seasoning ingredients except sesame oil and sesame seeds with the beef, using only 1 tsp of minced garlic.

Cut the onion into square pieces.

Heat cooking oil in a pan, add 1 tsp minced garlic, onion, and zucchini, and stir-fry.

When the zucchini is slightly tender, add the marinated beef to one side of the pan and stir-fry.

Combine the beef and zucchini, stir-frying together until fully cooked.

Add sesame oil and sesame seeds, then plate the dish.