An impending school visit by a celebrity chef sends budding cook Ollie into a tailspin. He and his classmates are supposed to bring a favorite family food for show and tell, but his family doesn’t have a clear choice—besides, his little sister Rosy doesn’t like much of anything. What to do? As in their previous two visits to Room 75, Kenah builds suspense while keeping the tone light, and Carter adds both bright notes of color and familiar home and school settings in her cartoon illustrations. Eventually, Ollie winkles favorite ingredients out of his clan, which he combines into a mac-and-cheese casserole with a face on top that draws delighted praise from the class’s renowned guest. As Ollie seems to do his kitchen work without parental assistance, a cautionary tip or two (and maybe a recipe) might not have gone amiss here, but the episode’s mouthwatering climax and resolution will guarantee smiles of contentment all around. (Easy reader. 6-7)