I used to be able to find Manicotti on the menu at every Italian restaurant I went to. I love that dish. Now, out of 50 Italian restaurants, less than 10 seem to have it on the menu. I wonder why that is?

以前我去每家意大利餐厅都能在菜单上找到意式烤奶酪卷(Manicotti)。我爱那道菜。现在 50 家意大利餐厅，不到 10 家还有它。为什么？