Prime Minister Sheikh Hasina has treated the Jatiya Oikya Front leaders with around 17 courses during the talks at the Ganabhaban.
The food came from top hotels in Dhaka, according to officials.
The Oikya Front delegation led by Dr Kamal Hossain arrived for the talks just before 7pm.
Most of the foods were brought from Hotel InterContinental while the cheese cake, a personal favourite of Oikya Front leader Dr Kamal Hossain, came from Radisson.
The chicken polau was prepared by Chef Piaru Sardar.
Plain rice, butter naan, ruhi fish dopeyaza, chitol fish kopta, chicken curry, beef kebab, mutton rezala, soup, mixed noodles, mixed vegetables and salads were also on the menu.
Leaders of the new alliance were served yoghurt as dessert. Soft drinks, tea and coffee were also offered.
The Oikya Front delegation also BNP leaders Mirza Fakhrul Islam Alamgir, Khandaker Mosharraf Hossain, Moudud Ahmed, Jamiruddin Sircar, Mirza Abbas and Abdul Moyeen Khan.
Jatiya Samajtantrik Dal-JSD President ASM Abdur Rab and Nagorik Oikya Convenor Mahmudur Rahman Manna also joined the talks.