#1 Heat panini grill #2 Spray hot grill with cooking spray. Add peppers grill 4 min. or just until tender and evenly charred. Cool slightly #3 Cut peppers into strips. Spread bread slices with aioli fill with chicken, peppers and cheese to make 4 sandwiches #4 Grill sandwiches, in batches if necessary, 4 to 6 min. or until cheese is melted and sandwiches are golden brown #5 Serve with salsa for dipping.