A chemistry teacher did this fiery jack o’lantern inside, but if you want to try it, outdoors would be better. You can get that green flame by burning boric acid and methanol together. Geekologie has the instructions. This will cook your pumpkin, but it won’t be edible because of the boric acid. Then there is the remote chance that such experimentation could summons the demons of hell. Your mileage may vary.
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