Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to care for cast iron [title] Preheat your oven. [step] Set your oven to 325 ° f (163 ° c) and let it heat up. The process of seasoning cast iron involves coating it with a layer of oil and baking it.

Ending1: Seasoning, or curing, the pan will cover it with a non-stick surface, make the pan easier to clean, and protect it from rust. [substeps] Most new cast iron pans come pre-seasoned, but you'll have to season any that haven't been cured by the manufacturer. Ending2: This helps to make it look like it's been in the oven all day. In fact, many of the most important ingredients in cast iron cookware also come from the preheated oven. Ending3: This coverage will prevent the pan from burning while it cooks. [substeps] Once the pan is hot, position a sheet of foil over it. Ending4: The oil will help keep the pan from scorching while also weakening the metal over time. [substeps] You should also coat the pan with grills or a lid before making sure it is completely warmed.

Answer format: ending1/ending2/ending3/ending4