This isn’t really an either-or decision — most well-equipped kitchens have both, because they’re good at different things. Here’s how to decide which one to reach for, or buy first if you’re starting from scratch.

Where cast iron wins

Cast iron holds and distributes heat exceptionally well once fully heated, making it excellent for searing steaks, achieving a deep crust, and any high-heat cooking that benefits from consistent, retained heat. It’s also oven-safe at high temperatures, which non-stick often isn’t.

Where non-stick wins

Eggs, delicate fish, crepes, and anything prone to sticking cook far more easily in non-stick, with less oil needed and easier cleanup. Non-stick also heats up faster, which matters for quick weeknight cooking.

The maintenance difference is real

Cast iron needs to be seasoned periodically and shouldn’t sit soaking in water or go through certain dishwashers, which is genuinely more upkeep than most people expect walking in. Non-stick is lower-maintenance day to day but has a shorter lifespan — the coating degrades over time, especially with metal utensils or high heat, and eventually needs replacing.

If you can only buy one first

For someone building a kitchen from scratch, a good non-stick pan for eggs and delicate foods is usually the more immediately useful first purchase, with cast iron added once you’re ready for the extra maintenance and want that high-heat searing capability.

A common mistake

Using cast iron for delicate, sticky foods like eggs before it’s well-seasoned is a common source of frustration that turns people off cast iron entirely. Building up seasoning over several uses of higher-fat, less delicate foods first makes the transition to cast iron considerably smoother.

The takeaway

Neither pan replaces the other — they cover different jobs well. If your kitchen currently has neither, non-stick is the easier starting point; cast iron rewards patience once you’re ready for it.