Spinach and Cheese Manicotti

3 tbsp oil
1/4 cup onion, finely chopped
2 tsp garlic, minced
1 1/2 c ricotta cheese
1 1/2 c shredded mozzarella cheese
4 oz cream cheese
1/3 c grated parmesan cheese
1 tsp italian seasoning
salt and pepper
1 pkg frozen chopped spinach, thawed and drained
8 manicotti shells, cooked and drained
4-6 c pasta sauce
1/4 c parmesan cheese

Preheat oven to 350
Saute onion and garlic in oil
In a large bowl, combine ricotta cheese, 1 1/2 c mozzarella cheese, cream cheese, 6 tbsp parmesan cheese and italian seasoning
Beat with a wooden spoon until smooth and well combined
Season with salt and pepper
Stir in onion mixture and spinach
Spoon into cooked manicotti shells
Pour half of the pasta sauce into a 9x13 baking dish
Arrange shells over sauce
Top with remaing sauce
Sprinkle with 1/4 c parmesan cheese
Cover and bake for 25 minutes