What's umami? It's the so-called fifth taste (after sour, salty, sweet, and bitter) that is sometimes described as savory or meaty. Scientists have isolated a particular taste bud that senses umami, which authors David and Anna Kasabian call "the broadly tuned taste of many amino acids." Test your knowledge of umami by tackling these questions:

1. Which produce has the most umami?
Celery
Cucumbers
Lettuce
Vine-ripened tomato

2. You open a restaurant menu and see the following dishes. Which one should you order if you're addicted to umami?
Broiled cod with lemon and butter
Steak tartare
Braised duck legs in a shiitake-red wine sauce
Ravioli stuffed with fresh mozzarella and topped with shaved truffles

3. If you wanted to add umami to your home cooking on an everyday basis, which of the following ingredients should you keep in your pantry or refrigerator?
Extra-virgin olive oil
Asian fish sauce
Seasoned bread crumbs
Farm-fresh butter

4. You're at the meat counter of your favorite butcher and want to pick something high in umami. Which should you order?
A large turkey
Non-aged sirloin steaks
Cornish game hens
Fresh veal sausages

5. You peruse the wine list at a restaurant and want to pick something high in umami. Which do you order?
2003 California cabernet
2004 German riesling
2005 Italian prosecco
1996 French Bordeaux