Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to bake spaghetti squash [title] Preheat the oven to 375 degrees fahrenheit (190 degrees celsius). [step] Prepare a baking sheet by lining it with a layer of aluminum foil. [title] Pierce the spaghetti squash.

Ending1: [step] Insert a metal skewer into the spaghetti squash. Leave a bit of space below the end of the skewer to allow steam to escape. Ending2: [step] Pierce the squash using a fork or a cheese knife before you spread it on the plate or spread it around the inside of a baking sheet. [substeps] Cut spaghetti squash into ¼-inch slices once the squash is laid flat in the oven. Ending3: [step] Use a sharp serrated knife to pierce the spaghetti squash a dozen times or so. [substeps] The skin of a spaghetti squash is very thick, so you will need a heavy, sharp serrated knife to break through it in the squash's uncooked state. Ending4: [step] Place a black-and-white cooking thermometer into a pot and carefully prick the flesh. You can use sliced squash to fill or save some of the extra flesh for later, but you should be able to find one that's at least twice as big.

Answer format: ending1/ending2/ending3/ending4