A fun and easy no-cook lunch includes whole wheat tortillas spread with hummus, topped with sliced cucumbers and rolled tightly. Cut them into pinwheels for a visually appealing meal that's packed with nutrients. This quick lunch can be around 250 calories depending on the amount of hummus used. You can also make a wrap by adding some shredded carrots and lettuce for added crunch, which doesn’t significantly increase the calorie count.