Cucumber:
1/3 cup water
1/4 cup cider vinegar
1 tsp sugar
1/2 tsp minced garlic
1/2 tsp fresh ginger, peeled and minced
1/4 tsp crushed red pepper
24 thin English cucumber slices (~1/2 cucumber)
Burgers:
1/2 cup panko
2-3 green onions, thinly sliced
2 Tbsp fresh cilantro, chopped
1 Tbsp lower-sodium soy sauce
1 1/2 tsp fresh ginger, peeled and grated
1 tsp lime rind, grated
1 (1-lb) skinless wild, fresh or frozen, Alaskan salmon fillet, finely chopped
1 large egg white
1 1/2 tsp dark sesame oil
2 Tbsp hoisin sauce
6 slider-sized hamburger buns, toasted, if desired