Is it safe to serve marinara sauce in a heavy aluminum pan?

It's generally not recommended to serve marinara sauce in a heavy aluminum pan. Here's why:

* Aluminum reactivity: While aluminum is a safe metal for cooking, it can react with acidic foods like marinara sauce. This reaction can cause the aluminum to leach into the food, potentially affecting its taste and potentially posing health concerns.

* Aluminum discoloration: The reaction between the aluminum and the acid can also cause the pan to become discolored, which can be unappealing.

* Taste alteration: The aluminum can impart a metallic taste to the sauce, ruining its flavor.

Here's a better alternative:

* Serve in a stainless steel pan: Stainless steel is non-reactive with acidic foods and is a much safer option for serving marinara sauce.

* Use a glass dish: Glass is another safe and non-reactive option for serving food.

While serving marinara sauce in an aluminum pan for a short time might not cause immediate harm, it's best to avoid it for longer periods and for serving.