Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to freeze homemade gnocchi [title] Sprinkle flour on a baking sheet lined with parchment paper. [step] Cover a baking sheet with parchment paper so the gnocchi dough does not get stuck. Pour enough flour to coat the baking tray, but not so much that it starts to form piles.

Ending1: This also helps prevent the gnocchi from sticking to the tray. [title] Space uncooked gnocchi evenly on the tray. Ending2: [title] Chill the gnocchi in the freezer for 1 hour. [step] The gnocchi should be firm enough by now to flake easily with your fingers. Ending3: In the meantime, set the tray in the oven and let it bake for 5 to 10 minutes. The mixture should be formed firm but will remain firm just after removing it from the oven. Ending4: Use a rubber spatula to firmly pry each individual gnocchi up and place in the freezer. Do not leave them in the freezer for long without boiling.

Answer format: ending1/ending2/ending3/ending4