Pre-heat your oven to 375F.
Slice each bagel in half (if they haven't been pre-sliced already) and place on a baking sheet pan, cut side up
spread an equal amount of pizza/marinara sauce on each half with a butter knife
Sprinkle over equal portions of mozzarella over the bagel halves
Place up to 4 slices of pepperoni (or the toppings of your choice) on each half.
Lastly, sprinkle over a pinch of oregano over each pizza bagel.
Place the baking sheet with the pizza bagels in the oven and set a timer for 10 minutes.
Once the timer goes off, let the bagels cool for at least 5 minutes and dig in!