What the heck is that smell#!!????

I knew when my new oven said "close the door to the oven" I knew I was in trouble. Soon I got sidetracked!! What the hell is that smell??? Took my senile brain awhile to figure it out. Inside of my oven is on fire, flames everywhere. Jerry!!!! to the rescue.
House is now filled with smoke, marshmallow still on fire. But with all mistakes, this gave me a great idea for Halloween decorating. It could be the start of fire underneath the Cauldron or a scary face, my mind just went wild with ideas. If you think of other ideas put it below