Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The restaurant in a dream indicates the place of sustenance and striving. Eating in it indicates receiving sustenance. A luxurious restaurant indicates abundant sustenance, and a simple one indicates little sustenance.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The restaurant indicates a generous man. Whoever sees himself eat in it will receive good from a generous man.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The restaurant is interpreted as goodness and benefit. Whoever sees that he owns one will gain leadership and sustenance.