Which side of the grilled filet should face up when assembling a grilled club CJ?

When assembling a grilled club CJ, the smooth side of the grilled filet should face up. This choice is correct because the smooth side not only provides a more visually appealing presentation but also allows for better contact with toppings such as cheese or vegetables, enhancing the overall texture and taste of the sandwich. The smooth surface tends to create a more uniform distribution of flavors as it interacts with any sauces or toppings applied on top.

Using the rough side facing up might lead to a less appealing look and could affect how well the toppings adhere. It could also impact the perception of the sandwich, which is important for both customer experience and satisfaction. The focus on having the smooth side up aligns with culinary standards for presentation and flavor integration, making it the best choice when assembling this meal.