A dense square of chocolate, the brownie is read as comfort eaten in company. In folklore a brownie was also a helpful house spirit, so dreams can point to unseen help.
Does the traditional reading fit your dream, or did it mean something else to you?
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.