Refusing food in a dream is read as a struggle for control, or as denying yourself what you need. It reflects inner pressure and is never a judgement of the dreamer.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.