Step 1: Understanding the Purpose of Kashering
Kashering ensures that surfaces and utensils previously used for non-kosher cooking or for mixing meat and dairy become suitable for kosher use. It creates a “clean slate” for proper halachic use of the kitchen, giving you clarity and confidence in keeping kashrut at home.
Step 2: What Needs Kashering in a New or Rented Home
Typically, you will need to address:
Countertops
Sink(s) and faucets
Stovetop
Oven
Microwave
Sink material (stainless steel, porcelain, stone, etc.) — each requires a different method
Tip for Olim: Some materials commonly found in Israel differ from those in the U.S./Canada — for example, many sinks here are porcelain or stone. The material determines the halachic method of kashering.
Step 3: Choosing Between DIY Kashering or a Professional Service
It is possible to kasher a kitchen on your own, but many prefer hiring an experienced professional, especially if:
You want Mehadrin standards
You are unsure about materials or utensils
A professional service helps avoid halachic mistakes and ensures proper and accurate kashering.
Step 4: Preparing the Kitchen Before Kashering
Before kashering, make sure to:
Clean all kitchen areas thoroughly
Clear food and utensils off all surfaces
Ensure all surfaces requiring libun or hagalah are completely dry
Step 5: Performing the Kashering
Methods vary depending on the surface or item:
Hagalah – Immersing with boiling water
Libun – Direct heat/fire for a significant amount of time [depends on the material] (e.g., for industrial pans/pots)
Light Libun – Direct heat/fire for a shorter time (e.g., for stovetop grates/pan rests)
Revised Summary
Kashering is a halachic process — not a cleaning service. Once the kitchen is already clean, kashering transforms the space into one that is halachically suitable for kosher use. It brings a sense of spiritual comfort, clarity, and readiness to begin cooking in a kosher home in Israel.
With the right guidance, the process is straightforward and can be carried out calmly and confidently. If helpful, you can schedule a consultation or arrange a full professional kashering service tailored to your kitchen’s materials and halachic needs.
Nachman Harris. Kosher Expert.
Available for any of your questions
