For a quick and easy dinner, make scallion pancake sandwiches. Start by making scallion pancakes and cutting them in half. Spread a layer of your favorite sandwich spread, such as mayonnaise or mustard, on each pancake half. Layer on your choice of deli meats, cheese, and vegetables. You can also add some pickles or sliced avocado for extra flavor. Press the pancake halves together to form a sandwich and enjoy. These scallion pancake sandwiches are a delicious and portable dinner option that can be customized to your liking.