We ate there April 25th and I had the dinner one. It was the same as what is currently listed on the all ears menu and was EXCELLENT! It was 1 credit on the dining plan. They may have changed it since then, but All Ears is pretty good with keeping their menus updated.
Traditional Mexican Dinner $36
(
Disney Dining Plan)
Tostadas de Tinga- pulled chicken seasoned with roasted tomato and chipotle, served on tostadas with black refried beans, green tomatillo sauce, queso fresco and sour cream
Tacos de Pescado - deep fried fish tacos served with chipotle-lime aioli, cabbage, lime and green tomatillo sauce, all served over flour tortillas
Crema Bavaria - creamy bavarian mousse served with mixed berries, cinnamon, orange liquer and vanilla sauce
Includes a soft drink or ice tea
http://allears.net/menu/menu_mex.htm