Prep: 7 minutes; Cook: 3 minutes
1. Preheat panini grill.
2. Spread mayonnaise evenly over each bread slice. Top each of 4 bread slices evenly with turkey, artichokes, tomato, bell pepper, basil leaves, and cheese. Top with remaining bread slices. Coat both sides of sandwiches with cooking spray.
3. Place sandwiches on panini grill. Grill 3 to 4 minutes or until bread is browned and cheese melts. Cut panini in half before serving, if desired.