וַיִּקְרְא֧וּ בֵֽית־יִשְׂרָאֵ֛ל אֶת־שְׁמ֖וֹ מָ֑ן וְה֗וּא כְּזֶ֤רַע גַּד֙ לָבָ֔ן וְטַעְמ֖וֹ כְּצַפִּיחִ֥ת בִּדְבָֽשׁ׃
And the house of Israel called the name thereof Manna; and it was like coriander seed, white; and the taste of it was like wafers made with honey.
Read kabbalistic (mystical) interpretation of Exodus 16:31: and classical mystical sources.