Easy Crustless Quiche

0 Preheat oven to 350° and lightly grease a pie pan.
1 Heat oil in a large skillet over medium heat. Saute onions until transluscent, then stir in spinach. Continue cooking until any excess moisture from the spinach is evaporated.
2 In a large bowl, combine eggs, cheese, salt and pepper. Add spinach and onion mixture and combine well.
3 Pour into the pie pan and bake for about 30 minutes or until eggs are set.