Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Sugar in a dream is good speech, joy, and the removal of worries. It may indicate kisses and celebrations. Eating it indicates gaining lawful sustenance.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Sugar indicates knowledge and the Quran. Whoever sees himself gathering sugar is gathering lawful money. For the prisoner, it is relief, and for the sick, healing.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Sugar is interpreted as wealth and healing from illnesses. For disputants, it is reconciliation, and for the unmarried, marriage. Seeing it indicates hearing good news.