Longhorn Steakhouse Vegetarian (Halal, Kosher) Menu Items. Steakhouses can be a hard place to find vegetarian food. It turns out Longhouse Steakhouse has many suitable vegetarian menu items (even though we wish they offered a main course item like a Longhorn Steakhouse veggie burger!).Click to see full answer. Considering this, does Longhorn Steakhouse have vegetarian options?Longhorn Steakhouse has a few vegan options, nothing particularly spectacular, but they at least have a few things unlike some of their competitors such as Texas Roadhouse which basically has apple sauce, lettuce, and peanuts.Furthermore, does Texas Roadhouse have a veggie burger? Yes, Texas Roadhouse does offer vegetarian options. does Longhorn Steakhouse have vegan options? Unfortunately, there are no vegan main courses, appetizers, or desserts at Longhorn Steakhouse. Note that even the fresh steamed broccoli side is not considered vegan (it officially is listed as containing dairy). The vegan options available at Longhorn Steakhouse are listed below.Does Outback have a veggie burger?Unfortunately, Outback Steakhouse does not offer anything like a veggie burger, though there are a handful of vegan options available there. Outback steakhouse recommended talking to your server about any dietary restrictions, so that a manager can oversee your meal.