Put the summary of the bug you're having here

What I expected to happen was...:
i wanted to grab the item fast

What actually happened was...:

i grabed the item but i gained so much experience

Steps to Reproduce:
1. make a furnance and then connect it to a hopper and then to a chest
2. cook someting
3. when the item is about to cook, spam click the item

4 you multipaded the gained exerience