Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make lower calorie chicken parmesan [title] Preheat the oven. [step] To toast your breadcrumbs and start to get the oven ready for baking the chicken, it's important to preheat it. Set your oven to 350 degrees fahrenheit (177 degrees celsius), and allow it to fully heat.

Ending1: [substeps] The oven should also be preheated to the minimum when you first open the oven. [title] Cut your breadcrumbs into the squares. Ending2: [substeps] Make sure that you know how your oven alerts you that it's preheated. It may beep or flash a light to let you know. Ending3: [substeps] Depending on your oven model, it may take up to several minutes to heat your oven. Check on the temperature with a thermometer, and it will usually beep or notice the temperature as soon as it does. Ending4: You can insert an oven thermometer into the oven and make sure that it is turned on before you start toasting. [title] Mix the chicken with the olive oil.

Answer format: ending1/ending2/ending3/ending4