Salmon Fried Rice with Carrots and Cabbage

Name: Salmon Fried Rice with Carrots and Cabbage
Ingredients: 2 tablespoons vegetable oil; 1/2 pound skinless salmon, preferably wild sockeye; Salt; Freshly ground pepper; 1 small yellow onion, cut into 1/4-inch dice; 1 cup julienned carrots (about 1/3 pound); 4 cups shredded Napa or Savoy cabbage; 2 garlic cloves, minced; 2 tablespoons minced peeled fresh ginger; 4 cups cooked long-grain white rice (see Note); 4 large eggs, lightly beaten; 2 tablespoons soy sauce; Juice of 1 lemon; 2 scallions, thinly sliced