2 teaspoons dark sesame oil |
1 tablespoon minced peeled fresh ginger |
24 medium shrimp, peeled and deveined (about 12 ounces) |
1/2 teaspoon kosher salt, divided |
8 (1 1/4-ounce) wheat slider buns |
2 tablespoons finely chopped celery |
3 tablespoons canola mayonnaise |
1 tablespoon plain 2% reduced-fat greek yogurt |
2 teaspoons finely chopped shallots |
1 teaspoon fresh lemon juice |
1/8 teaspoon ground red pepper |
8 small bibb lettuce leaves |