Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to prepare salmon skin [title] Prepare salmon skins without the flesh in the oven. [substeps] Preheat the oven to 375 degrees fahrenheit (191 degrees celsius). Skin the salmon fillet with a sharp knife.

Ending1: Cut the outer flesh off the fish using a sharp knife. Wash all the fillets in cold water with a mild soap. Ending2: Release the fat and preserve the bones intact, if possible. Removed flesh should be stored in the refrigerator in an airtight container. Ending3: De-scale the skin with a fish scaler. Rinse the salmon under cool running water and pat dry. Ending4: The tip of the knife, of which there should be a blade on top, should be pointy. Take the salmon flesh up to the bone on the bottom of the fish.

Answer format: ending1/ending2/ending3/ending4