Boil the spaghetti noodles in boiling water for 10 minutes.
While the noodles are cooking, mix all the seasoning ingredients to make the sauce.
Rinse the cooked noodles under cold water.
Mix the cold noodles well with the sauce and refrigerate for 5 minutes.
After 5 minutes, generously top the seasoned noodles with thinly sliced fresh perilla leaves.
Enjoy your meal!