Lentil soup is humble and filling. Old stories, like Esau trading his birthright for a bowl, have made it a symbol of choosing quick comfort over something more lasting.
Has this come up in your dreams before? What was going on in your life then?
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.