Spinach & Feta Baked 'Omelette' - cooking recipe

Ingredients

12 ounces fresh spinach
1 onion
1/2 cup fresh mushrooms, sliced (optional)
3/4 cup feta cheese
1/2 cup mozzarella cheese
6 eggs
olive oil
salt and pepper
yogurt (optional)

Preparation

Preheat oven to 350 degrees.
Heat olive oil to medium-high& add onion- saute until opaque, then add mushrooms (if using) and then spinach& saute just until spinach is wilted.
Grease 9\" square casserole dish with some olive oil (or spray with cooking spray) Beat eggs& add salt& pepper to taste.
Add crumbled feta and spinach mixture to eggs.
Pour into casserole dish& top with mozzarella.
Bake at 350 degrees for approx.
30 minutes.
Cool about 5 minutes, then cut into 4 servings.
Serve with fruit and some plain yogurt on the side (mix in some dried dill or parsley for color).