Learning more about your cooking knives – Chef Al’s Restaurant Equipment Tips
Knives get dull because the edge folds, not, as popularly believed, because the edge wears away and gets blunt.
• There’s no such thing as a “never-needs-sharpening“ knife. So-called “never-needs-sharpening“ knives are serrated. Serrated knives DO get dull.
The tips of the serrations fold.
To delay dulling a sharp edge must have two main characteristics:
• SYMMETRICAL: A perfectly straight, symmetrical edge does not tend to lean in one direction or the other and thus does not fold as easily.
• ARCH-SHAPED: An edge with more metal behind it resists folding longer than a thin, weak “V“-shaped or hollow-ground edge.
- Sharpening steels (and other devices which include rods) straighten the edge vs. actually resharpening it (creating a fresh, new edge). They take skill and effort to use. The unfolded edge is still weak and will immediately start to fold again. Eventually the edge is too weak to strengthen and the knife must be completely resharpened.
- Manual sharpeners with washers/discs lack reliable angle control and sharpen by skiving off pieces of the edge.
- Sharpening stones resharpen the edge. They take uncommon skill to hold the correct sharpening angles. It takes time and effort to use a stone.
- Sharpening services resharpen the edge. Many use inexpensive grinding wheels that overheat (detemper) knife edges and take off too much metal. Excess heat weakens the blade so it does not sharpen as well or stay sharp as long. Some professional services are more skilled than others.
- Electric sharpeners resharpen the edge. They sharpen safely and effectively and put stronger, longer-lasting arch- shaped edge on the knife.
- 09 Feb 2017Food Storage Containers: Polycarbonate vs. Polypropylene
- 28 Nov 2016Grease Traps: Why You Need One
- 12 Oct 2016Stainless Steel Equipment Stands
- Need some storage options for your kitchen? Check out our brief guide on food storage containers! https://t.co/KqEIOdoAj3,
- What is a grease trap and why do you need one? Check out our article on all the benefits of grease traps! https://t.co/rPm6DZKTUt,
- Need an equipment stand? Check out this ALL stainless steel line from Atosa! https://t.co/uL5KQP7zt0,
- Check out our write up on the differences between radiant and lava rock charbroilers. https://t.co/ItR3e1Vquw,
- Check out our write up on the pros and cons of bottom-mount and top-mount refrigerators! https://t.co/zfchfsPXr1,