Summer movie alert: Passion. Ambition. Butter. Do you have what it takes?

Who says there are no good movie roles for mature women anymore? Meryl Streep opens Aug. 7 in Julie & Julia as the late Julia Child. Writer-director Nora Ephron confects a screenplay from Child's memoir My Life in France, folded gently into Julie & Julia, by Julie Powell, the Gen-X author of what may be claimed to be the first book based on a blog. With Amy Adams as Julie, Stanley Tucci as Paul Child. Here's Columbia Pictures' trailer. Bon appetit! Fans can hope for a prequel with Child as an OSS officer turning the course of World War II.