01 - Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
02 - Lay mini bagel halves cut side up on the prepared baking sheet.
03 - Spread approximately 2 teaspoons of Alfredo sauce over each bagel half.
04 - Distribute the chopped spinach evenly atop the sauce on each bagel.
05 - Sprinkle mozzarella cheese evenly over the spinach, followed by a light sprinkle of Parmesan cheese.
06 - Dust each bagel bite with garlic powder, black pepper, and dried Italian herbs if desired.
07 - Transfer to oven and bake for 12 to 15 minutes, or until cheese is melted and bagel edges are golden.
08 - Allow bagel bites to cool for 2 to 3 minutes before serving.