1. Prepare the oven and preheat it to 200 degrees C or 400 degrees F.
2. Remove the dough from the fridge and place it onto a flat surface. Unroll it to 1/8-inch. Put it into the prepared pan and trim the sides.
3. Add the rest of the mozzarella cheese to the bottom of the pie followed by the caramelized onions.
4. Top with half of the tomatoes followed by salt and pepper.
5. Add 1/2 of the feta cheese on top of the tomatoes followed by basil. Repeat the layers one more time.
6. Place the pan in the preheated oven and bake for about 25 minutes.
7. Remove the pie from the oven and allow it to cool.
8. Serve warm. Enjoy!

Nutrition Facts:

Calories: 430 kcal