It might be useful.
The restaurants are listed alphabetical within each letter.
# – 100% Taquito, 1891 American Eatery, 51Fifteen
A – a'Bouzy, Acme Oyster House, Aga's, Aiko, Al Aseel, Aladdin (both locations), Alice Blue, Al's Quick Stop (both locations), Ambrosia, Amore, Andes Café (Post Market), Andiron, Armandos, Artisans, Avesta Persian Grill, Azuma
B – B&B Butchers, B.B. Lemon, B.B. Italia, Baguette and Tea (Montrose), Banana Leaf, Barcelona, Bari, Barnaby's (Fountainview), Barnaby's (Heights), Barnaby's (Midtown), Barnaby's (Montrose), Barnaby's (Museum District), Barnaby's (River Oaks), Barnaby's (Spring Branch), Bayou City Seafood & Pasta, BB's (all locations), BCN, Becks Prime (all locations but Downtown), Benny Chows, Betelgeuse Betelgeuse (both locations), Better Luck Tomorrow, Bijan, Birraporetti's (both locations), Bistro Le Cep, Black Walnut Café (all locations), Blind Goat, Bloom & Bee, Bludorn, Blue Nile, Blue Onyx, Boheme, Bori, Bosscat, Brasil, Brasserie 19, Brasserie du Parc, Brenner's (both locations), Burger Vibe
C – Cadillac Bar, Café Express (all locations), Café Lili, Café Piquet, Cali, Candente, Cantina Barba, Capital Grille (both locations), Carrabba's (Kirby), Carrabba's (Voss), Chama Gaucha, Chavez, ChopnBlok (Post Market), Christian's Tailgate (all locations), Churrascos (all locations), Chuy's (all locations), Ciro's, Clark's, Cowboys and Indians, Coltivare, Common Bond (19th Street), Common Bond (Dunlavy), Cooking Girl (all locations), Coppa, Craft Pita (both locations), Crawfish & Noodles (Chinatown), Crisp, Cultivated
D – Da Gama, Dak & Bop, D'Amico's, Darband Shihkabob, Davanti, Del Frisco's, Diana Grill, Dimassi's Mediterranean Buffet, Dish Society (Heights), Dish Society (Katy), Dish Society (Memorial), Doris Metropolitan, Duck N Bao (both locations)
E – East Side King (Post Market), Eddie V's (both locations), Eight Row Flint (both locations), El Big Bad, El Charro Bar & Grill, El Meson, El Patio, El Rey (all locations), El Tiempo (all locations), Eloise Nichols, Ember & Greens, Empire Café, Empire Turkish Grill, Escalante's (all locations), Etoile, Eugene's, Eunice
F – Fadi's (all locations), Fat Bao, Federal Grill (all locations), Fields & Tides, Figo Sugo (Bravery Chef Hall), Fiora's Bottle Shop, Fiori, Fleming's (all locations), Flora, FM Kitchen, Fogo de Chau, Fratelli's, Fuad's, Fufu Café
G – Gen Korean BBQ (both locations), Georgia James, Golfstrømmen (Post Market), Good Dog, Goode Co. BBQ (all locations), Goode Co. Cantina (all locations), Goode Co. Seafood (both locations), Goode Co. Taqueria, Gorditas Aguascalientes (both locations), Govinda's, Grace's, Graffiti Raw, Grimaldi's (all locations), Grotto (both locations), Guadalajara (all locations), Gus's Famous Fried Chicken (both locations)
H – Hai Cang Harbor, Handie's Douzo (both locations), Hando (both locations), Harold's in the Heights, Hawker Street Food (Post Market), Hearsay (all locations), Hem, Henderson & Kane, Hillstone, Hobbit Café, Home Slice Pizza, Hongdae 33, Hudson House, Hughie's (both locations), Hu's Cooking, Huynh
I – Il Bracco, India's, Irma's Southwest
J – Jasmine, Joey Uptown, Jonathan's The Rub (both locations, Josephine's, Jun
K – Karbach Brewing and Restaurant, Karne, Kasra (all locations), Katami, Kata Robata, Katz's (all locations), Kenny & Ziggy's, Killen's STQ, Kim Son (all locations), Kokoro (Bravery Chef Hall), Kuu
L – La Calle (both locations), La Fisheria, La Griglia, La Hacienda (both locations), La Lucha, La Mexicana, Lao Sze Chuan (both locations), Laurenzo's, Le Colonial, Le Jardinier, Lea Jane's Hot Chicken (Post Market), Lee's Sandwiches, Liberty Kitchen (both locations), Local Foods (all locations), Loch Bar, Lombardi, Lopez (both locations), Loro, Lost & Found, Love Buzz, Low Tide, Lulu's, Luna Pizza (all locations), Lupe Tortilla (all locations), Lynn's Steakhouse
M – MAD, Maderas, Maine-ly Sandwiches, Mai's, Mala Sichuan (all locations), Mama's Kitchen, argaux's Oyster Bar (Bravery Chef Hall), Marmo, Mary'z (both locations), Masraff's, Mastro's, McCormick & Schmick's (all locations), McGonigel's Mucky Duck, Mean Grille, Melange Creperie, Mia's Table (all locations), Millie's Kitchen & Cocktails, Molina's (all locations), Money Cat, Morton's (both locations), Mucho Mexico, Musafeer
N – Navy Blue, Neighbors Pizza Bar, Niko Niko's (all locations), Ninfa's (both locations), Nirvana, Nobu, Norigami, North Italia
O – Oceanaire, Oheya, Oishii, On the Kirb (all locations), Oporto, Osso & Kristalla, Ouisie's Table
P – Palazzo's (both locations), Pappa Geno's (all locations), Pappadeaux (all locations), Pappas Bros. Steakhouse (both locations), Pappas Burgers, Pappasito's (all locations), Passarella (Cypress), Pastore, Paulie's, Peaky Grinders, Peking Cuisine, Peking Impression, Pepper Twins (all locations), Perry's (all locations), Phat Eatery, Pho Binh (Galleria), Pho Binh (Heights), Pho Diem, Piola (both locations), Pizzitola's, Ploughman's Deli & Café, Pondicheri, Porta'Vino (Washington), Post Oak Grill (Galleria), Potente, Prego
R – RA Sushi (both locations), Ragin' Cajun (both locations), Ramen Tatsu-ya, Red Lion, Relish, Reza Persian Grill, Riel, Rim Tanon, Roma, Romano's Pizza, Roost, Roostar (all locations), Rosalie, Rudyard's, Ruggles Black, Rumi's Kitchen, Ruth's Chris
S – Saint Arnold Beer Garden & Restaurant, Sal y Pimienta, Saldivia's, Saltillo, Sao Lao Thai Café, Seco's Latin Cuisine, Segari's, Seoul Garden, Shake Shack (all locations), Shandy's, Shawarma King, Sinh Sinh, Soma, Songkran, Soto, Soto's Cantina (both locations), Southern Yankee Crafthouse, Southwell's (all locations), Spanish Flowers (all locations), State Fare, State of Grace, Steak 48, Street to Kitchen Thai, Superica, Sushi by Hidden, Sylvia's Enchilada Kitchen (both locations)
T – Taco Fuego (all locations), Tacodeli, Tacos A Go Go (all locations but Downtown), Tacos del Julio (both locations), Tan Tan, Taqueria Arandas (all locations), Taqueria Cancun, Taste of Nigeria, Taste of Texas, Tavola, Thai Kun (Post Market), The Annie, The Burger Joint (all locations), The Grove, The Halal Guys (all locations), The Lemon Tree, The Nash, The Palm, The Pit Room, The Rice Box (all but Greenway Plaza), The Taco Stand, The Union Kitchen (all but Garden Oaks), The Warwick, Theodore Rex, Thirteen, Tim Ho Wan, TJ Birra y Mas (both locations), Tonight & Tomorrow, Torchy's Tacos (all locations), Toro Toro, Toulouse, Trattoria Sofia, Traveler's Table, Tres Tacos, Trill Burgers, Truluck's
U – Uberrito (all locations), Uchi, Uchiko, Urbe
V – Velvet Taco (all locations), Verde Garden, Vic & Anthony's, Vieng Thai, Vietopia
W – Wanna Bao, Willie G's, Winnie's
X– Xeo Yum
Y – Yi Peng
Z – Zanti, Zutro
A dramatic dish at BCN