figbat
Slippery scientist
- Location
- South Oxfordshire, UK
Real answer? For waterproofing. These days it more about taste and common practice but the reason it started was to protect the delicate bread structure from meat juices that would cause it to go floppy and disintegrate.Never bought butter or margarine, why would anyone want to put a layer of grease on their bread or toast? đŸ˜‚