For those who need variety in their meat-free food, here are some ideas: http://www.chooseveg.com/6-vegan-sandwiches-to-rock-your-world
For me, personally, my favourite sandwich would consist of just tomato, lettuce, cucumber and thin slices of carrot with wholemeal bread. That would be enough. And you could sprinkle some olive oil to give it a more balanced constitution, if you like.
Go meatless whenever you can, save animals.
You may not have the time to go out and save streets cats and dogs, but everyone has to eat. And when it comes to eating, we all have a choice. We can go meatless whenever we feel like saving animal lives. It DOES make a difference.