Deboning a turkey breast takes about 10 to 15 minutes once you know the landmarks, and the technique is straightforward: you work a sharp knife along the breastbone and ribs, keeping the blade pressed against bone so you leave as little meat behind as possible. A bone-in turkey breast yields roughly 86% boneless meat by weight, so a 7-pound bone-in breast will give you around 6 pounds of usable meat.
What You Need Before You Start
A boning knife makes this job dramatically easier than a chef’s knife. Boning knives have a narrow, slightly flexible blade with a sharp tip designed to slide along bones and into joints. The narrow profile lets you press flat against the ribcage and follow its contours without gouging the meat. A chef’s knife can work in a pinch, but the wider blade makes it harder to navigate tight spaces around the keel bone and wishbone.
Whatever knife you use, it needs to be genuinely sharp. A dull blade will tear the meat instead of slicing it cleanly, and you’ll lose more flesh to the bone. Give the blade a few passes on a honing rod right before you start. Beyond the knife, you’ll want a large plastic cutting board (plastic is easier to sanitize after raw poultry), paper towels for grip, and a sheet pan nearby for the bones.
Keep the turkey cold until you’re ready to cut. Bacteria multiply rapidly between 40°F and 140°F, so work efficiently and get the deboned meat back into the refrigerator or into your recipe promptly.
Remove the Wishbone First
This step is optional but makes everything else easier. The wishbone (a V-shaped bone near the neck end of the breast) sits just above the breast meat. If you leave it in, it gets in the way when you try to slice the breast cleanly off the carcass.
To find it, place the breast skin-side up with the neck cavity facing you. Peel back the skin and any loose fat near the opening, then use your fingertips to feel for the two arms of the V running diagonally toward each side. With the tip of your boning knife, score along both sides of the wishbone to loosen the meat clinging to it. Once both arms are exposed, hook your fingers under the point of the V and pull it out gently. If it resists, use the knife tip to free any remaining connective tissue at the base. Set the wishbone aside with your other bones.
Locate and Release the Keel Bone
Flip the breast skin-side down on your cutting board so the interior cavity faces up, with the pointed (neck) end facing away from you. You’ll see a ridge of cartilage running down the center. Directly beneath it is the keel bone, a dark, triangular piece that anchors the two breast halves together.
Make a shallow cut straight down the center of the breast, slicing through the thin layer of flesh until your knife hits the cartilage on top of the keel bone. Cut through that cartilage along its full length. Now pick up the breast with both hands and bend the two halves backward, away from each other, like opening a book. The keel bone will pop free from the cartilage. Grab it with your fingers (a paper towel helps with grip) and pull it out. If small bits of cartilage remain, scrape them away with your knife tip.
Separate the Meat From the Rib Cage
Lay the breast flat again, skin-side down. You now have two lobes of meat still attached to the rib bones on each side. Starting on one side, place the blade of your knife flat against the rib bones with the edge angled very slightly toward the bone, not toward the meat. Use short, scraping strokes to peel the breast meat away from the ribs. Let the bone guide your blade. You’ll feel the knife skating along the hard surface of the ribs as the meat lifts away in one piece.
Work from the center outward, pulling the meat gently with your free hand as you cut. When you reach the outer edge where the ribs curve, angle your knife to follow that curve so you don’t leave a thick strip of meat behind. Repeat on the other side. You should end up with two boneless breast halves, each with the skin still intact on one side, and a clean ribcage frame with almost no meat left on it.
Trimming and Cleanup
Check both breast pieces for any small bits of cartilage, bone fragments, or tough connective tissue. The thin, silvery membrane (silver skin) sometimes clings to the underside of the breast. To remove it, slide the tip of your knife under one end of the membrane, grip that freed tab with a paper towel, and pull it away while holding the knife blade flat against the meat to separate the two.
If one breast half is significantly thicker than the other, you can butterfly the thicker piece by slicing it horizontally (parallel to the cutting board) almost all the way through, then opening it like a book. This evens out the thickness for more uniform cooking, which is especially useful for roasting, grilling, or stuffing and rolling.
What to Do With the Bones
The leftover carcass, keel bone, and wishbone are ideal for homemade turkey stock. Roast the bones on a sheet pan at 425°F until deeply browned, about 30 to 40 minutes, then transfer them to a large pot. Add parsley, thyme, a bay leaf, a few black peppercorns, and enough cold water to just barely cover everything. Bring to a gentle simmer over medium-high heat, then lower the heat to maintain the barest bubble. Let it cook for 2 to 3 hours, skimming any fat or foam from the surface occasionally.
Strain out the solids and you’ll have a rich, gelatinous stock that’s far better than anything from a carton. It freezes well for months and works as a base for gravy, soup, or risotto. If you’re not making stock right away, bag the bones and freeze them until you are.