PREHEAT oven to 400F. Line a baking sheet with parchment and brush with oil.
STIR marinara sauce, paprika and cumin in a small bowl.
ROLL out dough on a lightly floured surface to the size of the baking sheet and transfer to prepared sheet.
RESERVE 1/2 cup sauce mixture, then spread remaining sauce evenly over dough. Top with onion and peppers.
BAKE for 15 min. Remove sheet from oven. Using the back of a spoon, make 6 wells in sauce and crack an egg into each. Sprinkle with feta. Continue baking until crust is golden and eggs are cooked to desired doneness, 8 to 10 min.
SPRINKLE with arugula and serve with reserved sauce for dipping or drizzling.
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