The Best Mexican Food in New York City! Mamasita Mexican Bar & Grill also provides Gluten Free, Vegan, and Vegetarian options. With over 42 years of serving the wonderful people of Hell's Kitchen, Midtown West. And yes, it's true! We have over 25 margarita flavors, including exotic margarita menus created every month. Looking for Lunch specials? Lunch specials are available Monday thru Friday, until 3:30 PM, In the mood for Brunch? Join us on the Weekends, from Noon to 3:00 PM!