Step 1

Place the seaweed in a medium-sized bowl and cover with water. Let sit for 10 minutes until rehydrated.

Step 2

While seaweed is soaking, prepare the dressing: In another medium-sized bowl, whisk together the soy sauce, rice vinegar, mirin, sugar, ginger, garlic, sesame oil, and red pepper flakes. Set aside.

Step 3

When the seaweed is rehydrated, strain the seaweed in a colander and rinse thoroughly. Make sure to remove as much moisture as possible, squeezing the seaweed if necessary.

Step 4

Add the seaweed, sliced cucumber, and sesame seeds to the bowl of dressing and toss well to coat.

Step 5

Cover and chill in the refrigerator for 30 minutes to 1 hour.

Step 6

When ready to serve, garnish with extra sesame seeds.