If dreamed you that you drink without snack, then in real life you do not follow conventions of society, and you prefer to live as it is convenient to you. The dream in which you prepare tinned vegetable snack for the winter characterizes you as zealous owner. If in a dream you make snack for a holiday table, then in reality your soul demands a holiday.
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.