1 tbsp. extra virgin olive oil
1 tbsp. minced onion
6 eggs, beaten
1/2 c. grated Parmesan, divided
1/2 tsp. oregano
1/2 tsp. ground black pepper
1 1/2 c. cooked spinach, well drained

Heat the oil in an 8 inch iron skillet. Add onion and cook until clear and tender.

Combine eggs with half the cheese and all the remaining ingredients, mix well. Pour egg mixture into the skillet with the onion and cook over very low heat until the edges are lightly browned. Sprinkle remaining cheese over top and brown. Cut into wedges and serve. Cooked meats such as bacon, sausage, etc. may also be added.