1. Season and Cook Chicken: Season chicken with spices. Heat oil in a grill pan over medium-high heat and cook chicken 4-5 minutes per side (or until internal temperature reaches 165°F).
2. Toast Bread: Slice ciabatta rolls and toast until golden.
3. Assemble Sandwiches: Spread pesto or mayo on bread. Layer chicken, mozzarella, tomatoes, basil, and drizzle with balsamic glaze.
4. Optional: Grill the sandwich in a panini press or skillet for 2-3 minutes to melt the cheese.
5. Serve: Slice sandwiches and enjoy warm with your favorite side.