Boil in a large pot of salted water for 40 minutes or until tender.
Preheat oven to 400 degrees F.
While artichokes are boiling, saute onions and garlic in 1 tbsp of olive oil until tender. Remove from heat and stir in bread crumbs, oregano, and cheese.
When artichokes are tender allow to drain upside down for 5 minutes.
Gently pull the leaves back and spoon in stuffing.
Place stuffed artichokes in a casserole dish and drizzle with olive oil and sprinkle with some more Parmesan cheese.
Cover with foil and bake for 20 minutes at 400 degrees F.