Sprinkle half of the two cheeses on both sheets. Evenly spread the pepperoni and sun dried tomatoes over the cheese, then top with the remaining cheese.
Roll up one long end of one sheet halfway, then roll up the other side until it meets the other roll like an old-fashioned scroll. Repeat with the second puff pastry.
Brush with the egg wash and sprinkle with the bagel seasoning.
Freeze the rolls as you preheat the oven to 400 degrees F.
Take out the log and cut out 20 slices from each log using a sharp knife. Place them cut side down on lined baking sheets.