When first entering the Lotus Forest you will notice a small hidden cove on the right side. It contains one of the pink evidence boxes along with a series of mushroom heads you can climb.
To get yourself to the stove you’ll need to jump onto these mushrooms and get up to the green lilly pads. Then enter the first door you see(in the tree bark) and it will automatically drop you right onto the stove!
This evidence is not hard once you remember how to get up to the door. It will always transport you back to the first room and drop your party right onto the stove. The evidence can only be found once but this door is a nice method for getting back to the Bizarre Room quickly.