Safety of Copper Cookware Explained

Copper cookware is prized for its heat control, but it comes with a safety question worth understanding before you cook acidic foods in it.

When copper is a concern

Bare, unlined copper is reactive. Cooking acidic foods — tomato sauce, citrus, wine reductions — in unlined copper can cause small amounts of copper to leach into your food. In large amounts, copper is something the body should not over-absorb, which is why unlined copper is not recommended for everyday acidic cooking.

How lined copper solves it

Most modern copper pans are lined with tin or stainless steel, creating a non-reactive barrier between the copper and your food. Lined copper is considered safe — the trade-off is upkeep (polishing, careful heat) and a high price.

The worry-free alternative

If you want excellent heat performance without the maintenance or leaching question, a fully clad stainless steel pan delivers even heat with a completely non-reactive surface. Alva 5-ply stainless steel wraps an aluminum core in stainless for fast, even heat — safe with any food, dishwasher-friendly, and PFAS-free.

Our pick: the Maestro 5-Ply Stainless Frying Pan, or the full Maestro stainless set. Alva stainless has no nonstick coating - no PFAS or PTFE by design — see our safety standards. New here? Shop best-sellers and take $30 off your first $200+ order.