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This John Boos R-Board Collection cutting board brings a full 20-by-15-inch walnut work surface to the prep area, sized for serious food work and finished in a species known for its hardness and tight grain.
A 20-by-15-inch board is large enough to break down a full chicken, slice a roast, or handle a pile of vegetables without running out of real estate. Walnut is a practical choice for a working prep surface: the grain closes tightly, which means knives leave less visible scarring than they would on softer or more open-grained wood, and the dark color of the wood hides staining that lighter species show over time. This board fits naturally into a serious home kitchen, a cabinetmaking shop used for demonstrations, a design showroom, or a commercial prep station where the look of the surface matters as much as its function.
Walnut's density sits well above lighter domestic species, so this board carries meaningful weight and stays planted during use. The 1-1/2 inch thickness is a professional standard, deep enough to resist warping across a wide panel and to provide the heft that keeps a large board from sliding or lifting at the edge. John Boos has built butcher block and wood prep surfaces for professional kitchens for well over a century; the R-Board series applies that same construction discipline to a board format. The surface should be conditioned with a food-contact-appropriate board oil to maintain the wood and prevent drying; the appropriate finish treatment depends on the care routine you establish for the board.
This is a board for a cook or a woodworking professional who values the look and performance of walnut and needs a work surface large enough not to feel cramped. Kitchen designers specifying showroom prep areas, cabinet shops that demonstrate finished interiors, and homeowners outfitting a serious kitchen renovation will all find it the right fit. For a smaller countertop footprint or a lighter-duty board, the R-Board Collection includes other dimensions; this 20-by-15-inch format is the choice when the full work surface matters.
Walnut has a tight, closed grain that resists deep knife scoring, and its naturally dark tone conceals discoloration that shows clearly on lighter wood species. It is a practical and attractive choice for a board that will see daily use.
Conditioning with a food-contact-appropriate board oil before first use is standard practice for any unsealed wood cutting board. It helps the surface resist moisture absorption and supports the longevity of the wood.
The walnut surface and the board's proportions make it well suited for serving charcuterie, cheese, or carved proteins alongside its prep function. Whether to use it that way is a choice for the kitchen, not a limitation of the board.
Wood cutting boards are not dishwasher safe. Hand wash with warm soapy water, dry promptly, and re-oil periodically to keep the surface in good condition.
Choose this John Boos R-Board walnut board when the prep area needs a full-size, hardwood surface that holds up to daily use and ages well in a serious kitchen.
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