I don’t know who needs to hear this, but human snacks and junk food should not be used as treats for your puppy!
Junk food provides an unhealthy amount of unneeded calories and additives for us and the same applies to your puppy, but tenfold. They simply don’t need it, and it shouldn’t be given to them no matter how long they give you the puppy dog eyes.
So if you really like chocolate and think it would be a good treat for your dog, it isn’t. The same goes for chips, pizza, ice cream, and any other junk food made specifically for human consumption.
Now, there are some human foods you can give to dogs as treats in small quantities like natural honey, cheese (very small amounts!), and natural peanut butter. However, it’s best to just stick to the healthy treats made for them. They’ll love natural treats just as much as any other human snack you attempt to give to them.