Saute garlic in olive oil for 2 minutes over medium heat. Remove and mince.

Add spinach to garlic flavored oil in skillet and cook quickly until it reduces down.

Mix spinach with ricotta and garlic. Add egg. Season well with salt and pepper and place in baked crust.

Slice tomatoes and drain on paper towels. Place drained tomatoes on top of ricotta mix and season.

Drizzle with balsamic vinegar.

Bake pie for 40 minutes at 350. Remove and top with Parmesan. Return to oven and bake 10 more minutes until pie is set and cheese is golden