Firewood

Firewood for cooking is not interchangeable with fireplace wood or construction scrap. The cook's relationship with wood is sensory and practical: you learn a piece of wood by its weight when lifted, the sound it makes when struck, the smell when split, and the behavior of its fire. Hardwoods—dense wood from deciduous trees—burn longer, hotter, and cleaner than softwoods, producing less creosote and fewer sparks. The critical distinction for any cook is properly seasoned wood: wood dried to 15–20% moisture content or below. Wet wood wastes heat energy on evaporating water, produces thick white smoke instead of clean blue smoke, and leaves food tasting of creosote rather than the wood's nuanced aromatics.

Beyond combustion properties, each wood species contributes distinct flavor compounds—hickory's guaiacol for that classic bacon character, cherry's furfural for mild sweetness, mesquite's intense earthy notes—and understanding these relationships elevates live-fire cooking from mere heat to genuine culinary craft. The fundamental rule is simple: avoid all softwoods (conifers including pine, spruce, fir, cedar). Their high resin content produces dangerous creosote buildup that can ignite in chimneys, acrid sooty flavors on food, and potential health concerns from compounds like abietic acid. Always verify wood comes from clean sources—never use lumber from treated beams, painted wood, or wood of unknown origin that may carry chemicals or invasive species.

Wood selection also determines burn characteristics. Mesquite delivers the highest heat output and burns hottest; hickory and oak among the highest; oak provides steady, long-burning heat ideal for overnight cooks; fruitwoods like apple and cherry burn cooler and more quickly but add delicate complexity. For most serious cooks, a mix of a backbone wood (oak, hickory) and a finishing wood (fruitwood, nut wood) gives the best results—layering flavors rather than overwhelming them.