Arrange the flatbreads on a baking sheet lined with parchment paper. Brush with olive oil and sprinkle with sesame seeds, oregano, cooked pancetta, and season to taste.
Bake in the center of the oven until the bread is lightly golden, about 10 to 15 minutes.
Top each flatbread with pieces of Belle Crème Alexis de Portneuf cheese and arugula leaves, then serve hot.