Grocery Ninja: Kumquats Are Grown-Up 'Mega Warheads'
The Grocery Ninja leaves no aisle unexplored, no jar unopened, no produce untasted. Creep along with her below, and read all her mission reports here.

Kumquats. Photograph from orphanjones on Flickr
Remember Mega Warheads or Super Lemon—those insanely tart, hard candies that made your eyes squinch and your lips pucker and your head go, "Oh my! Oh my!" and then "Ahhh..." when the intense sour finally gave way to sugary-sweet insides?

Kumquat cross-section. Photograph from Splat Worldwide on Flickr
I remembered them this weekend, when the boyfriend brought home a box of kumquats—tiny, pixie citruses about the size of my thumb and cute as all get out. The Chinese think kumquats resemble gold ingots, so my family always had ornamental pots of them around the house to symbolize wealth and abundance. But I never thought to eat them.
My boyfriend's family though, would routinely preserve kumquats in salt to get an end product that is very similar to Moroccan or Middle Eastern preserved lemons. The fruit are simply placed in a glass jar and covered in salt. Over time, the fruit dehydrates and shrinks, and the juice combines with the salt to form a brine. Added to hot water, a few preserved kumquats and a couple of teaspoons of brine were his family's go-to remedy for sore throats.
Kumquat zest. Photograph from Splat Worldwide on Flickr
Kumquats confound my lifetime's experience with citrus fruit. Instead of juicy sweet insides and a bitter-tart rind, kumquats have salty-tart insides that burst in your mouth before the sweet relief of the rind kicks in. You eat the entire fruit—peel and all— and there are always a few agonizing milliseconds when you're wondering if you should just spit the sour abomination out. But if you persevere, the rind's sweetness acts as balm to the acid and the end result is a surprisingly addictive, grown-up candy.
Besides the over-riding tartness, kumquats also have a certain "grassiness" (in the same way Sauvignon Blancs are grassy) which resolve in a most delightful apricot-like aftertaste. Its sparky zip has shown up in plenty of interesting places: candied, robed in dark chocolate, and kissed with a touch of crunchy sea salt; used to jazz up terriyaki salmon; made into a chutney for serving alongside roast quail; steeped in vodka to make a liqueur; substituted for limes to make kumquat mojitos; in marmalade; mixed with some soy sauce and peanut oil for a delicious salad dressing; to flavor yogurt panna cotta, crème fraîche, or custard; and candied and sliced up on a cheeseboard.
An intriguing recipe I came across are kumquat boats: halved kumquats are seeded and their pulp scooped out. This pulp is then whizzed in a blender with cream cheese and crystalized ginger, before being piped back into the half-shell "boats." It's a fantastic hors d'oeuvre that makes both little kids and big ones go like this:

Kumquat face. Photograph from O Pish Posh on Flickr
Gold in my books.About the author: Wan Yan Ling can usually be found in the kitchen procrastinating on "real work" or online tracking down obscure recipes. Ling thinks eating alone is no fun, and she still believes in hand-mixing.
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8 Comments:
Mmm, kumquats are my favorite. I have been dying to make a kumquat marmalade!
Beanalicious1 at 5:49PM on 04/20/09
(>. kumquatface!
TY for the tips! will need to score myself some!
in chinatown crackseed stores, they sell these lil fellers simply dried whole, or preserved w/ licorice for an extra funky-kick--infinitely snackable, kind of like the sweet-tart-citrus answer to raisins.
effingfoodie at 5:56PM on 04/20/09
I love kumquats! They're so much fun to eat and share with people who have never had them.
VerySmallAnna at 12:16AM on 04/21/09
Great article - I've always seen kamquats in stores but never knew what to do with them. It's great to learn that they're such interesting little inside-out snacks. I'll be sure to grab some the next time I see them!
Maki Squarepatch at 10:02AM on 04/22/09
effingfoodie: I love the preserved, candied kumquats that you can get individually-wrapped in Asian groceries. Perfect for stashing in the purse and taking out when the munchies strike (I now sound like my grandmother!).
onedaylingers at 1:36PM on 04/23/09
VerySmallAnna: I made all my friends try them—no one expects the rind to be sweet. Fun!
onedaylingers at 1:37PM on 04/23/09
Kumquat as food ingredient. Whenever I find them in the store, I buy them for my twice cooked pork with kumquats. It is an awesome dish. The recipe is here, albeit in Spanish. Sorry, I'm too lazy to translate.
donlucho at 11:17PM on 04/27/09
Here in Los Angeles Kumquats grow in just about every yard, so they are quite available. Every other year I do make marmalade and it only takes 28 of the little guys to make about 9 jars.
kah9932 at 2:04AM on 04/28/09