Giving Ashlee Simpson a well-earned break from mommy duties, Pete Wentz enjoyed some daddy bonding time with son, Bronx, in Manhattan today.

And where did they go? A museum? A toy shop? The zoo?

Well, none of the above, because Pete was clearly rather hungry and decided to treat his offspring to a slice at the local pizza joint.

And they both had a great time chowin’ down…

See more pictures in the gallery below…