Pete's a Pizza by William Steig

Pete's a Pizza : Board book : HarperCollins Publishers Inc : 9780060527549 : 0060527544 : 08 Mar 2007 : Pete's father starts kneading the dough. Next, some oil is generously applied. (Its really water.) And then some tomatoes. (They're really checkers.) When the dough gets tickled, it laughs like crazy.