This is a test of commonsense. Complete the next sentence:

How to make bread stuffing
Preheat the oven.
Set the temperature of the oven to 180 c.
Toast the cubed bread and then place it in a bag and crumble it by rolling it with a rolling-pin or wine bottle.
Place the saucepan on a medium-high heat. Once the pan is hot, add the butter, onions, and celery.