Which dish is highlighted on Thursday?

The correct choice for the dish highlighted on Thursday is tomato. This aligns with typical culinary schedules where certain themes or ingredients are given particular days, often to promote seasonal produce or signature dishes. Tomatoes are frequently heralded for their versatility and flavor, making them a highlight in various cuisines.

On a Thursday, featuring a dish that emphasizes tomatoes could showcase their freshness, potentially in a salad, sauce, or as a key ingredient in a signature recipe.

While other options like New Orleans Red Bean and Rice, Tortilla, and Gumbo are certainly delicious dishes, they may not be featured specifically on Thursday within the context of this restaurant's training program. Each of those options might be part of the regular menu or highlighted on different days to create a diverse dining experience throughout the week. In this case, the emphasis on tomatoes reflects the focus on a particular ingredient central to the culinary experience on that day.