Easy Salmon Cakes

Name: Easy Salmon Cakes
Ingredients: This recipe calls for:; 3 teaspoons extra-virgin olive oil, divided; 1 small onion, finely chopped; 1 3/4 cups fresh whole-wheat breadcrumbs, (see Tip); Creamy Dill Sauce, (recipe follows); 1 stalk celery, finely diced; 1 1/2 teaspoons Dijon mustard; 2 tablespoons chopped fresh parsley; 1/2 teaspoon freshly ground pepper; 1 lemon, cut into wedges; Creamy Dill Sauce; 1 large egg, lightly beaten; 15 ounces canned salmon, drained, or 1 1/2 cups cooked salmon