01 - Preheat oven to 400°F and line a baking sheet with parchment paper.
02 - Place split bagel halves cut side up on the prepared baking sheet.
03 - Spread approximately 2 tablespoons of Alfredo sauce evenly over each bagel half.
04 - Distribute diced chicken and chopped bacon evenly over the sauce.
05 - Sprinkle shredded mozzarella and grated Parmesan over the chicken and bacon.
06 - Add dried Italian herbs and freshly ground black pepper to each bagel half.
07 - Bake in preheated oven for 12–15 minutes, until cheese is melted and bubbly and bagel edges are golden.
08 - Remove from oven, garnish with chopped parsley if desired, and serve immediately while hot.