The Washington Post

Excerpts from an online chat with The Washington Post's food writers and experts.

Q: I bought lemon grass at an Asian market the other day for a recipe and used one out of the five stalks. How long will it keep in my fridge, and do you have suggestions on what to do with a lot of it?

A: "The New Food Lover's Companion" says lemon grass will last up to two weeks in the fridge, tightly wrapped in a plastic bag. Our Recipe Finder,, has a bunch of recipes to check out, including Lemon Grass Iced Tea.

Q: I was watching a cooking show this past weekend, and they were making a dish with puff pastry. They repeatedly said to use a "high-quality" puff pastry. How do I know what is a "high quality" puff pastry and what isn't?

A: High-quality should mean all-butter. No shortening. We recommend Dufour brand.