Here's a few of my fave Zutara fics:
Link:
http://www.fanfiction.net/s/3050770/1/Title: Closet Negotiations
Author: Rashaka
Rating: T
Status: Complete
Summary: Empty closets are good for lots of things. As Katara is going to find out, hiding is just one of them.
Personal Comments: hilarious! you'll be laughing and sqeeing at the same time until your brain explodes!
Link:
http://www.fanfiction.net/s/3191594/1/Title: Dancing in the Dark
Author: DamageCtrl
Rating: T
Status: Complete
Summary: AUPWP: Having heard a rumor about two tea servers in the lower tiers of Ba Sing Se, Katara and Toph sneak away go to investigate only to have their suspicions confirmed. ZutaraBlutara
Personal Comments: This is just plain amazing! Try not to drool all over your keyboard when your mouth hangs open at the utter brilliance of it!
Link:
http://www.fanfiction.net/s/2909264/1/Title: Tiny Cubes of Hot Ice
Author: Raika
Rating: T
Status: On going drabble series
Summary: Yet another collection of Zutara drabbles and oneshots for all to enjoy! Set 1 of the 50 Sentance challenge up: ...their battles could not be held within the confines of the ring...
Personal Comments: Some of the most interesting and original Zutara drabbles I've ever read!
Link:
http://www.fanfiction.net/s/2847436/1/Title: Til Death Do Us Part
Author: Vicki So
Rating: T
Status: Complete
Summary: The Avatar and company face their greatest challenge: planning and getting through Zuko and Katara's wedding day! Why oh why couldn't they have just eloped? Comedic drabbles and randomness for everyone who hates weddings!
Personal Comments: The definition of awesome! You'll laugh. You'll cry. You'll hurl.
Really you'll be satisfied and have hours of amazing Zutara reading if you check into any of the other fics these authors have written.
And of course if anyones interested, there's always room for some self-pimpage!
Me and all my Zutara goodness:
http://www.fanfiction.net/u/753887/