Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to blind bake a pie crust [title] Preheat your oven to 375 degrees f (190 degrees c). [title] Dock your pie crust. [substeps] Docking a pie crust is when you put little holes all over it to keep steam that forms underneath your pie crust when it cooks from expanding your pie crust.

Ending1: This allows fresh air to enter when you bake it in the oven. Hold an oven thermometer to determine whether your pie crust is at or just above 375 degrees f (190 degrees c). Ending2: You can use a fork or a pastry docker to prick the pie crust all over. [title] Cover the pie crust with parchment paper or aluminum foil. Ending3: This takes up to seven minutes and you should find the crust easily. If not, you'll have to wait until the oven is hot and/or has likely been turned off. Ending4: The holes can be small, deep or small. Only fill the pie crust half full and leave the other half completely empty.

Answer format: ending1/ending2/ending3/ending4