Place chicken breasts in a saucepan and cover with water. Season with salt and pepper and boil until fully cooked. Remove and allow to cool slightly.
Shred the chicken using a fork and knife.
In a bowl, mix shredded chicken with mayonnaise and honey until creamy.
Lightly oil a baking tray and place bacon strips in a single layer. Grill until crispy.
Slice tramezzini bread open and lightly toast the inside in a sandwich press.
Spread chicken mayo mixture onto the bottom slices of bread.
Add 2–3 strips of bacon per sandwich.
Top with grated mozzarella and crumbled feta.
Close sandwiches and toast in a sandwich press until golden brown and cheese is melted.
Slice into quarters and serve warm.