Before You Begin
Preheat and prepare your cookware as needed. Cooking times and results may vary depending on equipment, salmon thickness, and patty size.
Cut the salmon into chunks and add to a food processor with herbs, lemon zest, garlic powder, egg, flour, salt, and pepper. Pulse briefly until just combined, leaving some texture.
Transfer the mixture to a bowl and gently fold in the peas by hand. Add milk gradually until the mixture is thick but easy to shape.
Heat olive oil in a large frying pan over medium heat. Divide the mixture into four evenly sized patties.
Cook the patties about 4–5 minutes per side, turning carefully, until opaque throughout and they flake easily with a fork, or until the internal temperature reaches 145°F (63°C).
In a separate bowl, mix the yogurt, grated cucumber, and garlic until well combined. Refrigerate until ready to serve.
Serve the salmon burgers on buns with lettuce and a spoonful of tzatziki. Add optional toppings as desired.