If in a dream you eat sandwich, then it is the good sign. The sandwich, the bigger quantity of problems is more difficult you will be able to resolve with ease. If dreamed you that you, setting the table, do a set of various sandwiches, warns you that you risk to be fond of insignificant affairs, having lost sight of something important. The dream in which you eat sandwich with a thick layer of caviar as after such dream the wealth will fall down on you, in abundance is very favorable.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.