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    La Casa Mexicana O'fallon

    3.4 (219 reviews)
    ModerateMexican
    Open • 11:00 am - 9:30 pm

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    LA CASA MEXICANA O'FALLON ATMOSPHERE

    What's the vibe?
    Moderate noise
    Casual
    Good for kids
    Happy hour specials

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    Page N.

    Love a classic Mexican spot. The chips and salsa and queso dip were delish and my husbands burrito was HUGE. Reasonably priced margs and beers. Plenty of parking and the restaurant is decently big so no wait time for a Saturday night!

    Steak ranchera
    Claralyn B.

    Food was delicious! I had the enchiladas Mexicana and they were full of chicken. My boyfriend had the steak ranchero and it was prepared well. He also had a traditional margarita on the rocks. We will come here again!

    Grand Margarita with a shot of Grand Marnier
    Gwennita W.

    I went to La Casa Mexicana for a Grand Margarita to celebrate National Margarita Day. The place was packed! There was a delay for placing an order, but they were super busy. The staff were apologetic and nice. I ordered the Fajitas Gorda that contained a little bit of everything. Steak, chicken, shrimp, chorizo, bacon, carnitas and monterey jack cheese. It was fantastic. The food made up for the wait!

    Veracruz Plate Lunch
    Aaron K.

    Wanted something quick and tasty for lunch today so we decided on La Casa. Lunch crowd was in full swing but we were in and out in no time at all. Service was splendid, she was nothing short of amazing. The Veracruz plate was light and delicious, very fresh and filling for a lunch option. The birria torta was sooo good! Hot, full of flavor, and pretty big.

    Sparkling Margarita
    Leah B.

    I went for lunch, in search of a good margarita and I found one! I got the sparkling margarita with the frozen peach margarita and it was so yummy! I got the birria burrito to eat and it was delicious!

    Burrito
    Fran B.

    Delicious food and drinks. Great service. Beautiful decor. I had a burrito that was delicious. My friend had chorizo and shrimp nachos. I can't wait to come back and order those! I went back a second time and got the nachos. DELICIOUS! Be sure to add the veggies ( lettuce, pico and cheese).

    Mariah H.

    Chips and dip served right as we were seated. Silverware was dirty so we asked for a new set and that was dirty too. The drinks are huge! Definitely sharing size, tasty but not sure they even had alcohol in them. I ordered the Quesa Birra and my fiancé ordered the Lobster Tacos. Food was just okay. Service was a bit slow. We asked for extra napkins and he didn't come back. Waiter never really check back in after the food arrived.

    Al pastor chimichanga, double rice, cornbread
    Angel C.

    Service and food were great! We were seated quickly and hot chips and salsa were brought to us immediately. Anything from the birria selection is delicious!! Looking forward to coming back!

    Small margarita has the same exact content as the medium. And its $3 cheaper. Pretty shitty...
    Chuck S.

    El Pastor tacos. Excellent! Service..great! So, the glass on the left is the small margarita. The glass on the right is medium. Medium is $3 more expensive than small. But, they hold the SAME amount. Buyer beware. Very lame.

    Seafood Enchilada

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    5 months ago

    Their customer service is very good, bring out all the ordered food items all to together, not one by one.. gracious...⁉

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    3 years ago

    Best place in town, great wait staff, great food! Tacos Al Pastor are amazing! Jalapeños Margarita is so good, so is the California burrito.

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    1 year ago

    forget happy hour margaritas! no alcohol in them. what a joke! service practically non existent!

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    4 years ago

    The food and service is always good at this location. A great go-to place when you're in the mood for Mexican food.

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    Page 1 of 6

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    Tios Tacos & Tequila - Chips and Salsa, $2.00 additional charge.

    Tios Tacos & Tequila

    4.3(83 reviews)
    3.3 mi

    Authentic??? I don't think so. Basic white woman, definitely. In the limited exchange with the…read morestaff, I found everyone to be friendly. From sitting down to getting our food was less than five minutes. The food was extremely fair priced. However, I cannot call it authentic. The flour tortillas were clearly purchased at the Walmart supercenter. The El Cabrón burrito I ordered was chopped up chicken breast inside a cold flour tortilla, smothered in queso. The beans were very watery and the rice was very good. Once I mix the beans and rice together, the beans seem to have a little flavor. Did I mention the burrito only had chicken inside nothing else? We also get the mango tacos, which was a mini version of the El Cabron burrito with some mango juice poured over the meat. It was fast. It was an expensive and it was filling. It did not remind me of Mexico. When we ordered the mango tacos, I expected some kind of mango chutney on the chicken, unfortunately, it was like someone opened a can of ocean spray and pour it on the meat. We will return, but it was boring.

    Greeted politely when my husband and I came in. Took a bit for the waiter to come for our drink…read moreorders. The menu is busy!! Lots to choose from. I got pollo loco hubby got chori pollo. Let me say if you don't like spice DO NOT eat the salsa. Plus the salsa is not complimentary like most Mexican places. My food was not very well seasoned but spicy basically lacking flavor, only could feel the "heat". Hubby said his was good. The music was techno which was odd but honestly better than loud mariachi music, honestly. The staff was on their phones a lot! Which is probably why I didn't get a refill for my beverage and it took 15 minutes to get him to come and take the payment for our meal. So basically this was a meh experience at best.

    Photos
    Tios Tacos & Tequila - Dining room

    Dining room

    Tios Tacos & Tequila - Fajitas de piña

    Fajitas de piña

    Tios Tacos & Tequila - Agua fresca

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    Agua fresca

    La Casa Mexicana O'fallon - mexican - Updated October 2026

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