Turn salmon in to something fun for the whole family with these burgers that think beyond beef.
Pulse salmon in a food processor until coarsely chopped and stir in scallion, zest, and salt.
Form mixture into four patties and chill 30 minutes.
Drizzle patties with oil and grill over medium-high heat until cooked through, 2 to 3 minutes per side.
Spread buns with 2 tablespoons Yogurt-Tartar Sauce and top with burger, scallion, and lettuce.