Does Katie Holmes Let Her 4-Year-Old Daughter Suri Eat Gummy PeePee's?

KATIE HOLMES took Suri . . . her 4-year-old daughter with TOM CRUISE . . . to a New York City restaurant (slash) sweet shop called Serendipity the other day.

And apparently, when Katie wasn't looking, Suri grabbed a box of PENIS GUMMIES off a shelf. And, of course, the paparazzi were there.

Penis Gummies are candy. They're just like Gummy Bears, except they're not shaped like bears, they're shaped like . . . well, you get the idea.