Watch Robert De Niro Use Zac Efron to Make a Sandwich, Because He Can

In this new Funny or Die sketch, Zac Efron gets a few acting pointers from his Dirty Grandpa costar Robert De Niro — or so he thinks. While a gullible Efron tries to make sense of the greater complexities of spicy versus regular mustard, he completely misses that De Niro is just using him to make a sandwich. Well, it's a good thing he's so attractive. See the funny video above, and then check out the trailer for their new movie.