In a large bowl, whisk together 3 tablespoons sesame oil, 1 1/2 tablespoons soy sauce, 1 teaspoon rice vinegar, 1 teaspoon grated fresh ginger, 1 finely chopped clove garlic and 1/4 teaspoon each salt and pepper. Stir in 2 cups cooked and cooled farro, 1 diced red bell pepper and 1/3 cup finely chopped scallions.
