Glyoxide: The Best Thing Since Sliced Bread

Have you heard of the 1943 us ban on sliced bread, which was a wartime conservation measure? Also you are (partially) correct. When sliced bread was first marketed, it was hailed as the. The phrase the best, or the greatest, etc. , thing since sliced bread is an expression of enthusiastic appreciation, especially of a new invention or discovery. The earliest mention of.