Even with grossly inflated entree prices, Las Pinatas (Old Town) knows how to handle a large group of marg-happy patrons, and the table salsa, carne asada, and enchiladas (particularly mole) are excellent. Atmosphere is like sombody's bungalow front porch or basement, festive and rustic but charming.
Las Pinatas
http://www.laspinatas.com/1552 N Wells St
(between Burton Pl & North Ave)
Uncle Julio's is another nearby thought:
http://www.unclejulios.com/855 W North Ave
Chicago, IL 60642
312.266.4222
a chain, but the service and (expansive, loud) environment are great for parties. Tortilla-making machine on premises and some love for other dishes like the
tamales here on the board.
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