How to make an automatic furnace and how to use it in my world.

Step 1: (The creation mode can be skipped) Prepare the following materials: furnace * 1, box * 3, funnel * 3.

Step 2: Place the box as shown.

Step 3: put the fuel and food into the two boxes above, and then wait for the fire to take out the automatically cooked food from the box below! (ore can also be fired. )

I hope my answer can help you ~

At the same time, I hope you can adopt my answer.