In a bowl, beat eggs with remaining 1/2 tsp salt and 1/4 tsp pepper. Pour over mixture in skillet. Cook 10 minutes, then cover with foil. Cook 20 minutes, then loosen with a silicone spatula, place a plate on top of skillet and carefully flip tortilla onto plate. Slide tortilla back into skillet, uncooked side down. Cook another 5 minutes.