When Mireille Guiliano first came to America as an exchange student, she gained weight for the first time in her life. Many years later, after becoming a CEO of Veuve Clicquot, she penned the buzzy No. 1 best-seller French Women Don’t Get Fat, now out in paperback. After 25 years of splitting her time between New York and Paris, Guiliano is still amazed by the large portions here, and by the New Yorker’s tendency to eat on the go. “To eat your bagel and your muffin with coffee on the subway is gross,” she says. “How can you do it with the smell and the noise and the moving? I’d rather starve.” She’s also still shocked when she sees people eating on the street or standing up. “For French people, you’re supposed to eat at the table. Besides the bed, it’s the most important piece of furniture in the house.” So what’s she been eating at the table this week?