Why this matters
Heat moves from burner to pan to food, and each handoff takes time. Thick cookware holds energy and responds slowly; thin cookware reacts quickly but may heat unevenly. Moisture absorbs energy as it turns to steam, which is why crowded or wet food struggles to brown. Watch the food, listen to the pan, and adjust before the smell turns bitter.
How to do it
Warm cast iron over medium-low to medium heat for several minutes, then adjust. Its mass stores heat, so both heating and cooling take longer than with thin cookware.
What to look, hear, or feel for
Heat should spread across the cooking surface instead of producing one smoking center. The handle becomes hot along with the pan.
When something goes wrong
If it gets too hot, move it to a cool burner and wait; lowering the dial will not cool it immediately. Avoid sudden temperature shocks that can damage cookware.
Try it in a real meal
Use these cues for sautéing, roasting, eggs, pancakes, searing, and any dish where the outside can cook faster than the center.