Luckily, sealing them isn't overly involved. All you need is some food-grade mineral oil to keep butcher block countertops looking pristine. It's very important that you get the food-grade version ...

Mineral oil is a top choice for sealing butcher block counters, but make sure you use the food-grade version. Not only will it not transfer any odors or flavors to your food, but it also does an ...