Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make biscuit bowls [title] Preheat the oven. [step] To ensure that your oven is warm enough to bake the biscuit bowls, it's important to preheat your oven. Set the temperature to 450 degrees fahrenheit (230 degrees celsius), and allow it to heat fully.

Ending1: You want to make sure that the oven reaches a temperature of 350 degrees fahrenheit (221 degrees celsius). [substeps] You can estimate this temperature using a scale, which will give you an idea of the temperature needed to bake the biscuit bowls. Ending2: [substeps] Turn the oven on to 450 degrees fahrenheit (230 degrees celsius) for easier time-checking. [title] Line the cookie sheet with parchment paper. Ending3: Check with the thermometer to make sure that it is high enough to bake the bowls. [substeps] For a healthier alternative, you can add butter, salt, and pepper to the oven to further lengthen the cooking time. Ending4: [substeps] Keep an eye on your oven so you know when it's reached the right temperature. Most models will either beep and/or flash an indicator light to alert you.

Answer format: ending1/ending2/ending3/ending4