1Combine ricotta cheese, mozzarella cheese, frozen chopped spinach, egg, garlic powder, onion powder, oregano, black pepper, and salt in a large mixing bowl.
2Combine ricotta cheese, mozzarella cheese, frozen chopped spinach, egg, garlic powder, onion powder, oregano, black pepper, and salt in a large mixing bowl.
3Combine ricotta cheese, mozzarella cheese, frozen chopped spinach, egg, garlic powder, onion powder, oregano, black pepper, and salt in a large mixing bowl.
4Mix the ingredients until well combined.
5Mix the ingredients until well combined.
6Mix the ingredients until well combined.
7Stuff the manicotti shells with the spinach and cheese mixture.
8Stuff the manicotti shells with the spinach and cheese mixture.
9Stuff the manicotti shells with the spinach and cheese mixture.
10Pour a layer of tomato sauce in the bottom of a baking dish.
11Pour a layer of tomato sauce in the bottom of a baking dish.
12Pour a layer of tomato sauce in the bottom of a baking dish.
13Place the stuffed manicotti shells on top of the sauce.
14Place the stuffed manicotti shells on top of the sauce.
15Place the stuffed manicotti shells on top of the sauce.