What should you do to prevent cross-contamination when using cutting boards

by Kim Strassner February 07, 2020

personalized cutting boards on kitchen counter

What should you do to prevent cross-contamination when using cutting boards

We often get questions from customers asking how to stop cross-contamination when using our personalized cutting boards. There is no short answer to this question. It's all in the cleanliness of not only your cutting board but everything it touches.

Not everyone is used to using a wood cutting board so a little education is usually in order. Since our cutting boards are wood and you can't put a wood cutting board in the dishwasher without it falling apart one would come to the conclusion that a wooden cutting board is a harbinger of bacteria. This is false. Wooden cutting boards, when cleaned properly (keep reading), can be safe without putting them in the dishwasher. My entire life has revolved around using wood to cut on and eat off of and I have never gotten sick from bacteria living on a wood cutting board or plate. There have been some studies that show bacteria will soak into the wood and the wood fibers will suffocate and kill them.

There is a lot of information spread out over many sites about how to prevent cross-contamination while using cutting boards. I've done the research for you and break down what works and what is myth.

Clean anything and everything that comes in contact with your cutting boards

If you want to keep your cutting boards bacteria free you will also need to keep your hands, counter, utensils and sponge clean to prevent cross-contamination.

Here's how:

  1. Wash your hands with soap and hot water before and during meal prep. If you stop to go to the bathroom or pet your dog/cat, wash your hands again.
  2. Your cutting board will sit on the counter so if this isn't clean neither will your cutting board. Wash you counter tops with a sanitizer before meal prep. If you are looking for an eco-friendly way to sanitize your counters vinegar or hydrogen peroxide will do the trick according to this Ohio State report. Also, avoid putting bags, purses, backpacks, etc. on the counter.
  3. Make sure the utensils you use for meal prep are cleaned with hot water and soap.
  4. Put your wet sponge in the microwave for 1 minute or run through the hottest setting in your dishwasher to kill 99.999% of bacteria.

That's not all you'll need to clean. Did you know harmful bacteria can hide on raw fruits and vegetables? You will need to wash your fruits and veggies before they hit the cutting board to prevent cross contamination.

Here's how:

  1. Start by buying produce that doesn't look like it has fallen on the floor or been banged around too much. You want the skin to be free of bruises.
  2. Store your fruits and vegetables separate from raw meat, poultry and seafood at the grocery store and at home.
  3. Thoroughly rinse your fruits and vegetables (use a scrub brush, if needed) even if you aren't planning on eating the skin. This will prevent the bacteria from getting into the flesh when you cut into it or transferred onto your cutting board.

How to properly clean your cutting board to prevent cross-contamination

Your cutting board should be cleaned after food prep so the bacteria does not have time to multiply and the cutting board has time to dry between uses. If your cutting board is dishwasher safe you can clean it that way. If you don't have a dishwasher or are using a wood cutting board, which in my opinion is the best cutting surface to cut on, you will need to wash it with soap and hot water. Yes, you can effectively wash away germs with just soap and water, the dishwasher is not the only way to clean a cutting board.

There are some people who say you can use hydrogen peroxide, lemon, vinegar or salt but really the best way to clean a wood cutting board is with good ole soap and hot water. This has never let me down.

The USDA recommends preventing cross-contamination by using one cutting board for raw meat, poultry, seafood and another for produce.

Even though our personalized cutting boards look different than most, you can clean them the exact same way. If food particles get stuck in the letters use your sprayer with the water on high to get them unstuck. You can also use a toothpick.

Kim Strassner
Kim Strassner


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