Onion soup turns something that brings tears into something sweet and golden. It is read as sorrow softened by time, and as patience rewarded.
When this appeared in your dream, what were you feeling?
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.