This article contains the Using your Ninja™ Foodi™ NeverDull™ Knives FAQs for the K1100/K3300 Series Ninja™ Foodi™ NeverDull™ System (Premium/Essential) Knives & Ninja™ Foodi™ NeverDull™ System Knife Sharpener. This supports the following product SKUs K1100/K3300, K10020, K10113, K10118, K10309, K10713, K12002, K12003, K12004, K12502, K30020, K30113, K30118, K30309, K30713, K31511, K31711, K32002, K32003, K32004, K32006, and K32502.

What type of cutting board should I use?

Wooden or bamboo cutting boards are recommended over plastic cutting boards to protect your knife blade's edge. DO NOT cut on marble, glass, ceramic, china, tile, granite, stainless steel or other metal, porcelain, or laminate surfaces. This will dull the blade edges quickly and decrease the lifespan of your knives.

Can I cut bones and frozen foods with my knives?

DO NOT cut through bone with knives or use knives to poke, pry, or separate frozen foods.

Can I use a honing rod to sharpen my knife?

A honing rod is not required. For optimal performance, only sharpen your Ninja™ Knives in the Ninja™ Foodi™ NeverDull™ Knife Sharpener. It is recommended to sharpen knives at least every 2 weeks to maintain optimal sharpness.

Should my sharpener be making noise?

The Ninja™ Foodi™ NeverDull™ Knife Sharpener does make noise when used properly. The stone sharpening wheel grinds against the knife blade to sharpen it, which is what makes the grinding noise on the downstroke of the sharpening slider.

What do I do if food sticks to my knife?

It is common for moist foods, like potatoes, onions, and cheese, to stick to the surface of the knife blade due to surface tension while cutting. When this occurs, it is recommended to use a Ninja™ Santoku Knife, because the hollow oval indents along the knife blade help reduce food from sticking.

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