Preheat the oven to 400°F (200°C)
Slice bagels in half
Place bagel halves on a baking sheet
Spread pizza sauce on each half
Add shredded mozzarella cheese
Add desired toppings such as pepperoni, olives, or peppers
Sprinkle with Italian seasoning if desired
Bake for 8 to 12 minutes, until cheese is melted and bubbly
Let cool slightly before serving