If you dream about the doughnut, then such dream represents you. The dream could show that you do not know which direction to take in your life. Perhaps you are not sure what you want out of life and who you wish to be. On the other hand, the doughnut could signify the processes of some project in your waking life. You are going to the point where you could feel wholeness.
Read more about dreaming of Doughnuts in other dream meanings interpretations.