Just to bring the above list up to date, I did a search on all the topics with titles containing "Evanston Lunch Group" (and variations) since the February 2011 lunch listed above, and this is what I got:
2024Evanston Lunch Group™ 4/16 12:30 Evadean's
Evanston Lunch Group™ 3/19 12:30 Taste of Nepal
Evanston Lunch Group™ 2/19 @ Evanston Corner Bistro 12:30 pm
LTH Evanston Lunch Group Goes Greek! (1/22)
2023Evanston Lunch Group™ 12/12 12:30 pm @ Fat Shallot
Evanston Lunch Group 11/13 12:30 Ken’s Diner
Evanston Lunch Group 10/23 @ Napolita 12:30 pm
Evanston Lunch Group™ 9/12 12:30 pm @ Zimi
Evanston Lunch Group™ Picnic 8/15 12:30 Larimer Pk Evanston
Evanston Lunch Group™ 7/31 12:30 pm @ Hotcakes (Wilmette)
Evanston Lunch Group™ 6/27 12:30 pm @ Mas Salud
Evanston Lunch Group™ 5/16 12:30 pm @ Honeybear Café
Evanston Lunch Group™ 4/18 @ Taste of Peru
Evanston Lunch Group™ 3/14 @ Rocky's Tacos
Evanston Lunch Group™ 2/13 @ Blue Horse Tavern
Evanston Lunch Group™ 1/17 @ Pinto Thai 12:30
2022Evanston lunch group - Papa Bop - Dec. 13 at 12:30
Evanston Lunch Group™ @ Bluestone Mon 11/14 12:30 pm
Evanston Lunch Group™ @ Lush Tue 10/4 12:30pm
Evanston Lunch Group™ @ Yasotorn Tue 9/6 12:30pm
Tarte Tatin Evanston Picnic Tuesday August 16th, 2022, 12:30
Resheduled: Evanston Lunch Group™ July 5 @ Tomo
Evanston Lunch Group™ @ Jarasa Kabob May 2 @ 12:30pm
Evanston Lunch Group™ @ Pescadero, April 19, 12:30pm
Evanston Lunch Group™ Double Clutch Brewing Tue 3/22 12:30pm
Evanston Lunch Group™ Shangri-La Asian Bistro 2/22 12:30pm
Evanston Lunch Group, Walker Brothers, Jan. 17th, 12:30
2021Evanston Lunch Group™ Soul & Smoke Mon 12/13 12:30pm
Evanston Lunch Group, Ki Restaurant, Monday Nov. 29, 12:30
Evanston Lunch Group: Reza's, Thurs 10/21, 12:30 pm
Evanston Lunch Group: Bina's Place, 9/30, 12:30 pm
Ev Lunch/Tarte Tatin Memorial Picnic 8/23 12:30 pm
Evanston Lunch Group™ Firehouse Grill Wed 7/21 12:30 pm
Evanston Lunch Group ™ Five & Dime 6/22 12:30 pm
20204th Annual Tarte Tatin Picnic, 8/24/20, Larimer Park, EV
Evanston Lunch Group™ - Kokomo Korean, Mon 3/9 1:15 pm
Evanston Lunch Group - Shinsen, Mon. Feb. 24, 1:15 pm
Evanston Lunch Group™ - Kingston Grill, Tues 1/7, 12:30 pm
2019Evanston Lunch Group™ - Soban Korea, Mon 12/16, 12:30 Pm
Evanston Lunch Group ™ Mon Nov 25 @ Lucky Platter 12:30 Pm
Evanston Lunch Group™ @ Mid Kitchen, Mon Oct 21, 12:30 Pm
Evanston Lunch Group, Sabor Poblano, Sept. 18, 12:30
Ev Lunch Grp TarteTatin 3rd Annual Memorial Picnic 8/19/2019
Evanston Lunch Group™ @ Frida's, Mon Jul 15, 12:30 Pm
Evanston Lunch Group™ - Lefty's, Wed 6/19, 12:30 Pm
Evanston Lunch Group, Libanais, Wed. May 15, 2019, 12:30
Evanston Lunch Group™ @ Prairie Moon Wed April 17, 12:30 Pm
Evanston Lunch Group™ @ Hoanh Long Wed March 13, 12:30 Pm
Evanston Lunch Group™ @ Jilly's Bistro, Wed Feb 20 12:30 Pm
Evanston Lunch Group, January 7 -- Sheba Yemeni Restaurant
2018Evanston Lunch Group™ - Asian Cajun Too, Mon 12/17, 12:30 Pm
LTHNG/ELG - China Chef - 11/14 - 12:30pm
Evanston Lunch Group -Wholly Frijoles, October 17, 12:30
Evanston Lunch Group™ - Kinship, 9/12, 12:30 P.M.
Ev Lunch Grp TarteTatin 2nd Annual Memorial Picnic 8/16
Evanston Lunch Group - Falcon Eddy’s Bbq, 7/11, 12:30 P.M.
Evanston Lunch Group™ @ Good To Go 6/13, 12:30 Pm
Evanston Lunch Group™ @ Zad, Wed. May 16, 12:30 Pm
Evanston Lunch Group™ @ Red Hot Chilli Pepper 4/20, 12:30 Pm
Evanston Lunch Group: Bluestone March 14, 12:30
Evanston Lunch Group™ @ Z Breakfast Club Wed. 2/14, 12:30pm
Evanston Lunch Group™ @ Ovo Frito Wed. Jan. 17, 12:30 Pm
2017Evanston Lunch Group: Jennifer's Edibles-Wed 12/20 @12:30
Evanston Lunch Group™ @ Renga-Tei, Wed. Nov. 15, 12:30 Pm
Evanston Lunch Group: Shang Noodle & Chinese 10/18, 12:30
Evanston Lunch Group: Pequod's Pizza (Mg) Wed. Sept. 20th
Ev Lunch Grp TarteTatin/Gale Adams Memorial Picnic 8/23
Evanston Lunch Group™ Kabul House Mon 7/10 12:30pm
Evanston Lunch Group: Riobamba-Save The Date: June 12
Evanston Lunch Group: Alexander's Breakfast & Lunch, May 24
Evanston Lunch Group - Torino Ramen April 26 12:00
Evanston Lunch Group, Bite Of Szechuan, 3/21, 12:30
Evanston Lunch Group™ Terra & Vine 2/8 12:30pm
Evanston Lunch Group™ @ Lulu's, Jan 11 @ 12:30 Pm
2016Evanston Lunch Group™ Nakorn 12/13 12:30pm
Evanston Lunch Group™ Yeero Revolution 11/22 12:30pm
Evanston Lunch Group™ Ya Hala Inn Oct 17 12:00 Pm New Date!
Evanston Lunch Group™ Cupitol Tue 9/13 12:30 Pm
NEW DATE: Evanston Lunch Grp, Evanston Chicken Shack 8/16
Evanston Lunch Group, Al-Watan Grill, July 14, 12:30
Evanston Lunch Group, Little Unicoco, Friday June 24, 12:30
Evanston Lunch Group™ La Cocinita Venezuelan 5/25 12:30pm
Evanston Lunch Group™ Firefly Kitchen 4/20/16 12:30 Pm
Evanston Lunch Group™ Wed Mar 16, 12:30 Pm @ Peppercorns
Evanston Lunch Group™ Wed. Feb. 17 12:30 Pm @ Trattoria Demi
Evanston Lunch Group, Th. 1/14/16, 12:30-Table To Stix Ramen
2015Evanston Lunch Group™ Wed Dec 16, 12:30 Pm @ La Principal
Evanston Lunch Group - Convito Cafe, Wed, 11/11, 12:30
Evanston Lunch Group - The Funky Monk, Wed. 10/21, 12:30
Evanston Lunch Group™ Fri Sept 18, 12:30 Pm @ Turkish Cuisine
Evanston Lunch Group, Wed. Aug. 12, Taqueria Vargas
Evanston Lunch Group™ July 16 @ New Pita Inn Skokie 12:30 Pm
Evanston Lunch Group -- Picnic June 19 Tomate Fresh Kitchen
Evanston Lunch Group - Fogo's Peri Peri, Thurs May 21,12:30
Evanston Lunch Group -- Taste Of Trinidad, April 29
Evanston Lunch Group - Tsim Sha Tsui Café Wed 3/25 @ 12:30pm
Evanston Lunch Group, Ten Mile House, Wed. Feb. 25, 12:30
Evanston and LTH North lunch groups: Tava on January 22
2014Evanston Lunch Group - Smylie Brothers, Thu 12/18, 12:30
Evanston Lunch Group™ - Thu 11/20 12:30pm Boltwood
Evanston Lunch Group - Trattoria D.O.C., Wed. 10/22, 12:30
Evanston Lunch Group Wed 9/17 - Curt's - Note New Location!
Evanston Lunch Group™ - Fri 8/22 12:30 Dmk Burger & Fish Or
Evanston Lunch Group: Mon. July 7, 11:30, Boston Fish Market
Joint Evanston-North Lunch:Tues 6/10:Tapas Gitana Northfield
Evanston Lunch Group™ - Mon 5/12 Bat 17 12:30 Pm
Evanston Lunch Group/Lao Sze Chuan 4/9 12:30 Pm
Evanston Lunch Group, Pulpo Loco, March 6
Evanston Lunch Group, Thu 2/13, Jilly's Cafe
Evanston Lunch Group, Tues. Jan. 14, L. Woods
2013Hoosier Mama - Evanston Lunch Group, Th 12/19, 12:30 Pm
Evanston Lunch Group Wed. November 20, 12:30 La Macchina
Lth North - Evanston Lunch Group - Rosded Too - 10/21 12:30
Evanston Lunch Group: Bunny Hutch, Friday August 23, 12:30
Evanston Lunch Group: July 30 At Pulpo Loco
(changed to Farmhouse)Evanston Lunch Group™ Fri 6/28 @ Found Kitchen 12:30 Pm
Evanston Lunch Group™ Thu 5/23 @ Prairie Moon 12:30 Pm
Evanston Lunch Group 4/25 12:30 Pm Home Of Chicken & Waffles
Evanston Lunch Group 3/21 12:30 Rub's Backcountry Smokehouse
Evanston Lunch Group™ 2/21 Aguas Tortas 12:30pm
Evanston Lunch Group, Koco Table, January 10
2012CHANGED: ELG, NOW AT FRONTERA, W 12/19 12:30 pm
Evanston lunch, Badou's Senegalese Cuisine, Nov. 29 [2012]
CHANGE: Todoroki, Evanston Lunch Grp, 10/24 12:30
Evanston lunch, Wazobia, September 20
Evanston Lunch Group -- Taco Diablo 8/23/12 12:30 Pm
Evanston Lunch Group-Wed. July 11, 12:30 Psistaria
Evanston Lunch Group™ @ Hota 6/21 12:30 Pm
Evanston Lunch Group, Crêperie Saint Germain, W 5/23, 12:30
Evanston Lunch Group-Wed. April 18, 12:30:Bopngrill Evanston
Evanston Lunch Group, March 28 At Siunik Armenian Grill
Evanston & North burb joint lunch - Feb 15 - Chun Ju 12:30pm
Evanston Lunch Group, Jan 25 At Taste Of Cuba
2011Evanston Lunch Group, Dec. 9 At Denden
Evanston Lunch Group - Libertad - Fri., Nov. 11, 12:30 Pm
Evanston Lunch Group - Deta's - Wed. Oct. 5, 12:30
Evanston Lunch Group Wed Sept 21 Central Street Cafe 12:30pm
Evanston Lunch Group™ Mon Aug 29 Eclissi Skokie 12:30 Pm
Evanston Lunch Group Renga-Tei 7/21 12:30
Evanston Lunch Group, June 23, Chez Violette
Evanston Lunch Group™ Thu May 19 12:30 Siam Splendour
Evanston Lunch Group™ Central St. Happening, April 27 @12:30
Evanston Lunch Group™ Siam Splendour 3/24 12:30 Pm
EDIT: Lunches since this post was originally created have been added above.