Beef jerky — lean beef sliced thin, marinated in salt and seasoning, and dried until shelf-stable — descends from the South American *ch'arki* (Quechua, "dried meat"), which traveled north through the Spanish colonial network and was adopted by every North American culture that needed portable, preserved protein. Indigenous nations across the Americas dried meat (bison, elk, deer, fish) for millennia before European contact; the specific product called "jerky" represents the commercial adaptation of these traditions. The modern jerky industry ($3+ billion in the US) ranges from industrial products (Jack Link's, Slim Jim — technically a meat stick, not jerky) to artisan small-batch operations that use heritage beef and craft marinades.
Lean beef (top round, bottom round, eye of round, or flank — lean cuts that dry evenly) sliced thin (3-5mm) with the grain (for chewy jerky) or against the grain (for more tender jerky), marinated for 12-24 hours in a mixture of soy sauce, Worcestershire, sugar (brown or honey), black pepper, garlic, onion powder, and cayenne (or any seasoning profile — teriyaki, chile-lime, and black pepper are the popular commercial varieties), then dried. Drying methods: a food dehydrator at 65°C for 4-8 hours (the modern standard), a low oven (80°C, door cracked) for 4-6 hours, or traditional air-drying (in arid climates, on racks in sun and wind). The finished jerky should be dry, flexible (bendable without snapping — snapping indicates over-drying), and deeply flavoured.
1) Lean meat only — fat does not dry; it goes rancid. Trim all visible fat before slicing. 2) Slice thin and uniform — thick pieces dry unevenly. Partially freezing the meat (30-45 minutes) firms it for cleaner slicing. 3) The marinade must be salty enough to preserve — the salt (from soy sauce and added salt) inhibits bacterial growth during and after drying. 4) Dry completely — any residual moisture invites mould. The jerky should bend without snapping but should not feel moist.
The slicing direction matters: with-the-grain jerky is chewier and tears in long strips. Against-the-grain jerky is more tender and breaks more easily. Both are correct; the preference is personal. Ground-beef jerky (ground beef mixed with seasoning, pressed flat, and dried) produces a more uniform, less chewy product that is the basis of commercial "jerky sticks."
Michael Ruhlman — Charcuterie; Harold McGee — On Food and Cooking