Preheat oven to 400 degrees F.
In medium bowl, combine, parsley, onions, eggs, panko, black pepper, salt, lemon zest and Dill Mayonnaise. Add drained salmon and mix well. Form salmon mixture into 4 patties and set aside.
Heat 2 tablespoons of grapeseed oil in a large skillet over medium heat. Add the burgers and cook until browned on the bottom. Turn and brown other side. Place in oven for 3 to 4 minutes.
Serve on buns with Dill Mayonnaise.
Combine all the ingredients in a small bowl and set aside.