What is the best extra large cutting board?

The best extra-large board gives restaurant-scale surface without the three classic penalties of big boards: weight, storage and the dishwasher. A 17.3 × 12.6 inch flexible TPU board like the CHEFEAT weighs about 600 g, stores in a slim gap, and still fits a standard dishwasher — a full-size prep station that handles like a placemat.

What size cutting board do professional chefs use?

Professional prep stations typically run 15–18 inches and up — chefs know a cramped board slows every task. For home kitchens, around 17 × 12 inches is the sweet spot: full prep space that still fits counters and dishwashers.

Are big cutting boards hard to clean?

Rigid oversized boards often don't fit dishwashers and get wiped instead of washed. A flexible extra-large TPU board bends to fit the dishwasher rack, so the big surface still gets a full hot sanitizing cycle.

The best extra large cutting board — big surface without the bulk

CHEFEAT Guides · Updated July 9, 2026

Quick answer: the best extra-large cutting board gives you restaurant-scale surface without the three penalties that usually come with size: weight, storage and the dishwasher problem. The CHEFEAT — 17.3ʺ × 12.6ʺ (44 × 32 cm) — solves all three by being flexible TPU: ~600 g instead of kilograms, stores in a slim gap, and bends to fit a standard dishwasher rack.

Here's the thing nobody tells you about kitchen mess: most of it is board overflow. Onion halves rolling off the edge, herbs migrating to the counter, chopped veg transferred in four batches because the pile won't fit. A cramped board doesn't feel like the culprit — it just quietly makes every task 20% messier. Chefs figured this out long ago; that's why a pro prep station is never a 10-inch square.

Why size is the most underrated spec

One-batch prep. A whole onion, the carrots, and the celery — chopped and staged on one surface, no shuttle runs to a bowl.
A raw zone and a clean zone. On 17 inches you can trim chicken on the groove side of the board with real distance from the edge — cross-contamination control needs space. The raw-meat rules →
Big items stop being a wrestling match. Watermelon, a rack of ribs, a loaf of sourdough — all fit inside the perimeter, juices inside the groove.
Fewer transfers = fewer spills. Every transfer between board and bowl is a spill opportunity. A big board deletes most transfers; a flexible big board deletes the rest — fold and pour.

Why most extra-large boards fail anyway

Size has always come bundled with penalties, and the penalties are why big boards end up unused:

The penalty	Big wood / plastic board	Big flexible TPU (CHEFEAT)
Weight	2–5 kg — a two-hand lift, so it stays in the cupboard	~600 g — one hand, used daily
Storage	Needs its own slot; dominates a drawer	Slides into a slim gap or rolls up
Dishwasher	Doesn't fit — gets wiped, not washed	Flexes into the rack — full hot cycle
Handling	Rigid slab — pour nothing, carry carefully	Folds into a funnel — pour anywhere

That's the whole trick: flexibility is what makes extra-large practical. A rigid 17-inch board is a commitment; a flexible one is just... more room. This is also why the same board wins in RVs and on boats, where a big rigid slab is unthinkable.

What owners with the size say

Verified reviews keep landing on the same two notes — the room, and the surprise that it's still manageable: "This thing is massive, and thick. One of the best cutting boards I own." · "It is really big so you have plenty of room to work without constantly moving the food around." · "Even though it's large it still fits in the dishwasher, which is a must for me." More on the reviews wall.

Buying check for any extra-large board: ① at least 16ʺ on the long side; ② under 1 kg or you'll stop using it; ③ confirms dishwasher fit — "wipe clean" is not hygiene; ④ juice groove, because big prep means big liquids; ⑤ non-slip, because a big board that skates is a big hazard. The CHEFEAT passes all five — see how it scores against every material: the complete ranked guide →

CHEFEAT Extra Large TPU Cutting Board17.3ʺ × 12.6ʺ of prep space — that handles like a placemat

Buy on Amazon →