Another interpretation: that they would eat it warm and not cold.
The Manna That Came Down Warm and Never Cold
Yalkut Shimoni on Torah 258:4
דָּבָר אַחֵר, שֶׁהָיוּ אוֹכְלִין אוֹתוֹ חַם וְלֹא צוֹנֵן.
Yalkut Shimoni on Torah 258:4
Another interpretation: that they would eat it warm and not cold.
דָּבָר אַחֵר, שֶׁהָיוּ אוֹכְלִין אוֹתוֹ חַם וְלֹא צוֹנֵן.