NEW YORK CITY — The first one's free.

More than a dozen participating bakeries will be doling out one free macaron per customer this Thursday as part of Macaron Day NYC, an annual bakery crawl in honor of the sweet delicacy.

The event, which lasts from 10 a.m. to 5 p.m., kicked off in 2010 as the brainchild of Francois Payard Bakery, a hub of the French delicacy in New York, as a tribute to the Jour Du Macaron in Paris.

But here in the city, all the sweet snacking will be for a good cause, as a portion of proceeds from additional macarons purchased by customers on Thursday will go to City Harvest, which fights hunger in NYC.

Customers can also pick up a Macaron Day apron for $10 from an FPB or FP Patisserie, and 100 percent of the sales for aprons will be donated to City Harvest.

Last year, Macaron Day NYC raised $4,381 for City Harvest, officials said.

Here's where to find your closest Macaron Day bakery:

Bisous, Ciao. Macarons

101 Stanton Street

New York, NY 10002

(212) 260-3463

235 Bleecker Street

New York, NY 10012

(212) 675-6366

Bouchon Bakery

Bouchon Bakery at Time Warner Center

Ten Columbus Circle, Third Floor

New York, NY 10019

(212) 823-9366

Bouchon Bakery at Rockefeller Center

One Rockefeller Plaza

New York, NY 10020

(212) 782-3890

Butterfield Market

1114 Lexington Ave

New York, NY 10075

(212) 288-7800

Chantilly Patisserie

135 Parkway Road

Bronxville, NY 10708

(914) 771-9400

Eclair Bakery

1305 East 53rd Street

New York, NY 10022

(212) 759-2253

Epicerie Boulud

1900 Broadway

New York, NY 10023

(212) 595-9606

FP Patisserie

1 W 58th St at the Plaza Hotel

New York, NY 10019

(212) 986-9241

1293 Third Ave at 74th St

New York, NY 10021

(212) 757-5252

Francois Payard Bakery

210 Murray Street

New York, NY 10282

(212) 566-8300

116 West Houston Street

New York, 10012

(212) 995-0888

1775 Broadway at 58th St

New York, 10019

(212) 956-1775

Macaron Café

161 West 36th Street

New York, NY 10018

(212) 566-8300

44 East 59th Street

New York, 10022

(212) 486-2470

750 Third Avenue

New York, 10017

(212) 983-2370

Macaron Parlour

111 St. Marks Place

between 1st Ave & Ave A

New York, NY 10009

(347) 979-6023

Mad-Mac “The Authentic French Macarons”

At Bernardaud

499 Park Avenue at 59th Street

New York, NY 10022

(973) 225-0930

Michael Allen International Confectioner

At Fresh Fanatic Organic Market

275 Park Avenue

Brooklyn, NY 11238

(718) 230-3360

Mille-Feuille Bakery

552 Laguardia Place

New York, NY 10012

(646) 626-6472

Spot Dessert Bar

13 St. Marks Place

New York, NY 10003

(212) 677-5670

Sugar and Plumm

377 Amsterdam Ave.

New York, NY 10024

(212) 787-8778

257 Bleecker Street

New York, NY 10014

(212) 388-5757