The Skillet
What it is
The flared-side cast iron frying pan: a round, thick-walled pan with sloped sides, one long handle, pour spouts on opposite sides, and a helper handle on larger sizes. The defining workhorse of the iron tradition.
The science & materials
The skillet's thick floor stores heat; when cold food lands, the surface temperature barely dips, so a steak keeps searing instead of stewing in its own released juices. The flared sides increase the evaporative opening (good for crisping and reducing) and let a spatula slide under food at a shallow angle. The same thermal mass that makes it sear well makes it slow to preheat and slow to adjust — the skillet is a heat reservoir, not a throttle.
How it's used
Preheat slowly and fully (several minutes over medium) so the whole mass equilibrates and hot spots even out; a skillet rushed on high will scorch over the burner and stay cold at the rim. For searing, get it ripping hot, add a thin film of high-smoke-point fat, lay protein down and leave it until it releases on its own. For eggs and delicate work, moderate heat plus good seasoning. Move the pan straight into the oven to finish thick cuts.
When to use it
Over carbon steel when you want maximum heat retention and a flat, heavy, oven-stable base: thick steaks and chops, blackening, shallow frying, skillet cornbread and cobblers, and dishes that go stovetop-to-oven-to-table.
What goes wrong
Cracking from thermal shock (cold liquid into a screaming pan); warping from sustained empty high heat on a small burner; sticking from inadequate preheat or thin seasoning; a metallic gray cast from cooking acidic food in under-seasoned iron. Avoid by preheating gradually, never shocking the pan, and reserving acid for well-seasoned or enameled vessels.
Regional & cultural traditions
In the American South the skillet is the cornbread vessel and a near-sacred inherited object. The "spider skillet" — a three-legged hearth skillet meant to stand over coals — is the colonial ancestor. The shallow-walled "chicken fryer" with a domed lid is a Southern specialization.
Cultural & historical context
The flat-bottomed handled skillet replaced the legged hearth spider as cooking moved from the open fire to the enclosed flat-topped stove in the 19th century — a vessel reshaped by the technology of the kitchen itself. American foundries turned it into a precision product (see The American Cast Iron Golden Era).
Reference notes
Core to Cast Iron; surface behavior per Seasoning & Polymerization. Cross-link to The Griddle (flat, lower walls), The Grill Pan (ridged variant), Cornbread & Gem Pans, and the carbon steel French Sauté Pan (the responsive lightweight alternative).