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Carve Steak. Keep Your Counter Dry.

Cosari Reserve 17

A 6.8-lb solid acacia and walnut block that stays put on wet stone, holds 2.5 oz of carving juice, and.

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  • 1.5-inch solid acacia and dark walnut
  • Deep 2.5 oz juice groove plus flat reverse
  • Knife-friendly grain, no plastic scoring
  • Non-slip silicone feet and side finger grips
Cosari Reserve 17
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Built Like Kitchen Furniture

Every detail is there to fix something that went wrong with your last board.

1.5-Inch Anti-Warp Slab

Kiln-dried to 8 to 10 percent moisture and cut thick, so it stays flat through daily washing. Ours measured under 0.3 mm of warp after 21 cycles.

2.5 oz Juice Trench

A half-inch-wide groove around the carving face holds the juice from a rested roast or a pile of sliced tomatoes. No more red puddles on white quartz.

Edge-Friendly Hardwood

Acacia and walnut give slightly under the blade and close back up. Your knife stays sharp longer, and nothing frays into plastic shreds.

Reversible and Unbranded

Carve on the grooved side, then flip to the flat face for bread, pastry, or a cheese spread. No logo on either side.

How the Cosari Reserve 17 Works

Chop Without Dulling Your Edge

Chop Without Dulling Your Edge

The tight acacia and walnut grain cushions each cut, so a fine edge sinks in instead of rolling. You get a quiet thud instead of a clack, and you hone less often.

Carve and Keep the Juice

Carve and Keep the Juice

Slice a rested ribeye or roast chicken and the juice runs into the perimeter trench instead of onto the counter. It holds up to 2.5 oz.

Lift, Flip, and Serve

Lift, Flip, and Serve

Recessed side grips give your fingers somewhere to go. Pop off the silicone feet and the smooth reverse face is ready for the table.

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Excellent4.8 (247)Trustpilot

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Cosari Reserve 17

1.5-inch reversible acacia and dark walnut butcher block with a deep juice groove, side finger grips, and non-slip silicone feet.

Backed by our 30-Day Money-Back Trial & Full 2-Year Cosari Warranty.

$69.99 $139.99 Free Tracked Shipping (5–7 Days) Included

In Stock: Delivers in 5–7 Business Days. Free insured US delivery with tracking.

30-Day Money-Back Guarantee plus a full 2-Year Warranty.

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Description

The Wood: Alternating strips of natural acacia and dark walnut, kiln-dried to 8 to 10 percent moisture and glued with food-safe adhesive. Janka hardness sits around 1,010 to 1,160 lbf, firm enough to resist deep gouges and gentle enough for 58 to 62 HRC steel.

The Design: 17 x 13 x 1.5 inches. The carving side has a 0.5-inch perimeter groove that holds 2.5 fl oz. Recessed finger grips are routed into the left and right edges. Four removable silicone feet give a 3 mm air gap underneath.

Care: Hand-wash with warm soapy water, towel dry, and stand on edge. Rub in food-grade mineral oil about once a month. Never put it in the dishwasher or leave it soaking.

5–7 Day Shipping & 30-Day Returns

Free 5–7 Day US Shipping: Every order ships free with full tracking and delivers in 5 to 7 business days.

30-Day Trial: Try it at home for 30 days risk-free. Need help? Email us anytime at support@buycosari.com.

2-Year Warranty: If anything goes wrong within 2 years, we replace it free of charge or refund your order in full.

Why Choose the Cosari Reserve 17?

Cosari Reserve 17 Detail

No Plastic Scoring

Hardwood doesn't fray into fuzzy shreds the way plastic boards do after a few weeks of knife work.

Stays Planted, Stays Dry

Silicone corner feet grip wet stone and lift the board 3 mm so air can move underneath and moisture doesn't sit there.

Kiln-Dried to Resist Splitting

Wood dried to 8 to 10 percent moisture is far less likely to crack or cup when the seasons change.

Cosari Reserve 17 vs. Ordinary Alternatives

Cosari Reserve 17Standard Competitors

FeatureCosari Reserve 17Standard Competitors
Knife edge after 500 cutsStill slices paper cleanlyBamboo: tearing paper by cut 300
75 ml juice floodZero spilloverFlat board: runs off two edges
Soapy quartz shove testUnder 2 mm of slideLight board: slides or spins
Warp after 21 hand washesUnder 0.3 mmThin board: visible bow
Logo on the woodNone on either sideBrand stamped into the surface
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What's Included

In the Box
  • 1 × Cosari Reserve 17 Reversible Acacia & Dark Walnut Butcher Block (17 × 13 × 1.5 in)
  • 1 × Set of 4 Removable Non-Slip Silicone Corner Feet
  • 1 × Care & Seasoning Guide Card
Technical Specifications
  • Dimensions: 17 × 13 × 1.5 in (432 × 330 × 38 mm)
  • Weight: 6.8 lb (3.08 kg)
  • Wood: Alternating natural acacia and dark walnut strips
  • Moisture Content: Kiln-dried to 8–10%
  • Janka Hardness: approx. 1,010–1,160 lbf
  • Juice Groove: 0.5 in wide, holds 2.5 fl oz (75 ml)
  • Feet: 4 removable press-fit silicone pads, 3 mm air gap
  • Finish: Food-grade USP mineral oil and beeswax, no stain or lacquer
Care & Safety
  • Wash by hand with warm soapy water, rinse, towel dry, and stand the board on its edge. Never put it in the dishwasher or leave it soaking in the sink.
  • Once a month, or whenever the wood looks pale and dry, rub in a thin coat of food-grade mineral oil, let it sit overnight, and wipe off the excess.
  • Backed by our 30-Day Money-Back Guarantee & 2-Year Warranty
  • Customer Support: support@buycosari.com
In the Box Cosari Reserve 17

From Box to Dinner in Under a Minute

Swipe left for steps 2 and 3

  1. Place It
    1

    Place It

    Lift it by the side grips and set it on your counter. The silicone feet hold it flat with no wobble.

  2. Prep and Carve
    2

    Prep and Carve

    Slice steak, chicken, or tomatoes on the grooved side. The juice stays in the trench and off the counter.

  3. Rinse or Flip to Serve
    3

    Rinse or Flip to Serve

    Wipe it down in 15 seconds, or pull off the feet, flip it, and set out bread and cheese on the flat side.

Verified Customer Reviews

What 200+ Verified Buyers Say About the Cosari Reserve 17

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4.8
Based on 247 verified reviews
5 Stars
212
4 Stars
25
3 Stars
7
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2
1 Star
1
97% of buyers recommend the Cosari Reserve 17
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✓ Verified Purchase
Marcus T. — Austin, TX2 days ago

Zero cabinet runoff and my Wüsthof stays razor sharp

I spent $155 on a Boos Block two years ago and nobody warned me the standard model has NO juice groove and NO feet. First ribeye I carved sent red juice running straight down my white cabinets. This Cosari Reserve 17 solves everything for half the price. At 1.5 inches thick, the acoustic difference alone is addicting—you get that deep, soft chef-show 'thud-thud-thud' instead of a harsh clack. And that deep juice trench actually holds all the liquid from a rested tri-tip instead of overflowing at the corners.

Verified Purchase · Austin, TX · Cosari Reserve 17

Customer photo
✓ Verified Purchase
Elena R. — Seattle, WA5 days ago

No tacky burned-in logo! Looks like custom woodwork.

Why do 90% of cutting board brands burn a massive tacky logo right into the middle of the wood?! I want a clean heirloom block on my counter, not a billboard. Came out of the box smooth as silk and already conditioned—zero chemical smell, zero sticky varnish, just warm rich walnut and golden acacia grain. Flipped it over to the flat side for a wine-and-cheese night on Friday and two guests asked which local woodworker custom-made our charcuterie board.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
David K. — Chicago, IL1 week ago

Ditched my bamboo and plastic boards immediately

Look closely at your white plastic board under angled kitchen light—all those fuzzy little white canyons? You and your kids already ate the missing plastic. And bamboo isn't even wood, it's grass held together with rock-hard glue. Since switching to this 1.5-inch walnut and acacia block, I went from honing my chef's knife every single night to maybe once a month. It feels incredible under the blade.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Sarah Jenkins — Denver, CO1 week ago

Stays completely planted on wet quartz

My old thin wooden board bowed after two washes and spun like a helicopter blade on my quartz island every time I diced sweet potatoes. Heavy weight plus silicone feet is non-negotiable for me now. This thing weighs almost 7 pounds and does not budge a millimeter even when my counter is wiped down with a wet sponge.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Greg M. — Charlotte, NC2 weeks ago

The Goldilocks size for a normal home sink

17 by 13 inches is the golden Goldilocks size for a normal home kitchen—big enough to spatchcock a whole chicken or prep 4 piles of mirepoix without carrots rolling onto the floor, but still small enough to rinse in a standard kitchen sink without flooding the counter. The recessed side handles also saved my fingernails when picking it up.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Hannah P. — Minneapolis, MN2 weeks ago

Heavy and substantial, just remember to oil it

Really gorgeous craftsmanship and dead flat out of the box. My only note is that because it's real unvarnished hardwood, you do need to rub a little food-grade mineral oil on it every few weeks if you wash it daily like I do. Takes 60 seconds and keeps the dark walnut strips looking super rich.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Brian O'Connor — Boston, MA3 weeks ago

Those recessed finger grips make a huge difference

Trying to pick up a flat wet 7-pound wooden slab off smooth granite without finger grooves is almost impossible. The side cutouts on the Cosari are deep and smoothly sanded so you get a solid grip taking it to the sink or carrying a carved roast to the table.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Lauren W. — Portland, OR3 weeks ago

Best $70 upgrade in my kitchen in five years

Best upgrade in my kitchen in five years, hands down. It lives permanently next to my range and makes me actually excited to prep vegetables after work. It's so nice not having to dig a flimsy plastic mat out of the cabinet every time I need to slice an柠檬 or dice an onion.

Verified Purchase · Austin, TX · Cosari Reserve 17

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Chris V. — San Diego, CA1 month ago

Survived a rested 14-pound brisket with zero overflow

Tested the juice groove with a rested prime brisket last Sunday. Usually I have to ring my cutting board with paper towels to catch the tsunami of juices, but this deep perimeter channel held every single drop. Wiped clean with warm soapy water and dried completely flat.

Verified Purchase · Austin, TX · Cosari Reserve 17

✓ Verified Purchase
Amanda L. — Nashville, TN1 month ago

Bought a second one for my parents

After using mine for a month and seeing how gentle it is on my Japanese knives, I ordered a second one at 50% off for my dad's birthday. The contrast between the golden acacia and dark walnut looks like a $200 boutique kitchen store piece.

Verified Purchase · Austin, TX · Cosari Reserve 17

The Board That Stays on Your Counter

$69.99 $139.99 Free Tracked Shipping (5–7 Days) Included

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Frequently Asked Questions

Is there a logo burned into the wood?

No. Both faces of the Cosari Reserve 17 are completely unbranded, so the flat side works as a serving board without a stamp showing under the cheese.

How do the silicone feet work on a reversible board?

The four low-profile feet press-fit into the corners on the flat side, raising the carving face 3 mm off the counter. To use the flat side, pull them off in a few seconds and press them back in when you're done.

Is it pre-oiled and food-safe?

Yes. It arrives conditioned with food-grade USP mineral oil and beeswax. There's no stain, no lacquer, and no formaldehyde-based glue.

Will a 17 x 13 inch board fit in my sink?

Yes. Wash it at an angle in any standard 22 to 30 inch single basin, or wipe it down on the counter with warm soapy water.

Will acacia and walnut dull my Japanese or German knives?

In our 500-cut test, a 60 HRC VG-10 gyuto still sliced newsprint cleanly afterward. Low-silica hardwood is much easier on edges than bamboo, glass, or stone.

What if it cracks or warps?

You get a 30-day money-back guarantee, plus a 2-year anti-split, anti-warp guarantee. If a seam splits or the board warps with normal hand-wash care, we send a new one free.

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