What seasoning is commonly used in Carrabba's dishes?

The use of oregano in Carrabba's dishes is widely recognized as it is a foundational herb in many Italian recipes, which are central to Carrabba's menu. Oregano adds a robust flavor that complements a variety of ingredients, enhancing the overall taste of pasta sauces, marinades, and grilled meats. Its aromatic and slightly peppery profile pairs exceptionally well with tomato-based dishes and is a staple in Italian cuisine, making it a favored choice for seasoning in many of Carrabba's preparations. Its prominence reflects the restaurant’s commitment to authentic Italian flavors, which resonate with guests looking for traditional Italian dining experiences. Therefore, oregano stands out as the correct answer in this context.