Salmon Burgers with Fresh Herbs and Pickled Cucumbers

INGREDIENTS

1 1/2

lbs. boneless, skinless salmon fillet(s), patted dry

scallions, thinly sliced, white and green parts separated (whites used below)

(1-inch) segment fresh ginger, peeled and finely grated

2 tbsp

mayonnaise

1 tsp

kosher salt

1/4 cup

vegetable or canola oil

1/2 cup

rice flour

1 tsp

toasted sesame oil

1 tsp

rice vinegar

2/3 cup

mayonnaise

Persian cucumbers, shaved lengthwise

1/2

serrano chile, thinly sliced

1 tsp

sugar

3 tsp

rice vinegar, divided

2 cups

tender herbs such as cilantro and/or mint, with tender portions of stems

3/4 cup

watercress, stems trimmed

2 tsp

sesame seeds (optional)