More than 80 coffins were found, said Mostaba Waziri, general secretary of the former Supreme Council.
Archaeologists have also unearthed colorful, gilded wooden statues, the ministry said.
Details of the new discovery will be announced at a news conference at Josser’s famous Step Pyramid, it said.
Egypt sought to promote its archeological finds in an attempt to revive its main tourism sector, which was badly affected by the turmoil that followed the 2011 uprising.
The sector was hit further by a corona virus outbreak this year.
Prime Minister Mustafa Madhouli and Minister of Tourism and Archeology Khalid El-Anani toured the area and explored the new find, which came Two weeks after the ministry revealed 59 Sealed sarcophagus, most of them with mummies, in the same area of Sakara.
The Sahara site is part of the Negropolis in Memphis, the ancient capital of Egypt, which includes the famous Pyramids of Giza, as well as smaller pyramids in Abu Sir, Tahsur and Abu Ruwash.
The ruins of Memphis were designated a UNESCO World Heritage Site in the 1970s.
The plateau offers at least 11 pyramids, including the Step Pyramid, along with the tombs and other sites of hundreds of ancient officials from the 1st dynasty (2920-2770 BC) to the Coptic period (395-642).