Qiche with caramelized onions and feta (topped with smoked salmon)

Basic Ingredients (2-4 servings)
4 eggs
Ready-made Pie crust
1/2 cup Parmesan cheese
1 cup Feta/Goat cheese
1 cup milk
Finely chopped 1/2 cup spinach
1 1/2 red onions
1 small tomato
1 teaspoon salt (alter to your taste)
1/2 teaspoon pepper
Rosemary

Step 1: Break the eggs into a large bowl and add  the cheeses and milk. Add spinach, diced tomato, salt, pepper, rosemary. Mix them well and set aside.

Step 2: After allowing the frozen pie-crust to thaw for an hour and a half, set it in a baking dish, greased with butter.

Step 3: In a separate pan, caramelize the onions.

Step 4: Allow them to cool down and add it to the prepared mixture. 

Step 4: Preheat the oven at 350 degrees F ( C) and bake it for 40-45 minutes. Place smoked salmon on top. Cut into wedges and serve hot.