01 -
Boil the jumbo pasta shells according to package instructions. Drain and set aside.
02 -
In a large bowl, combine ricotta, Parmesan, cooked mushrooms, egg, garlic powder, salt, and black pepper. Mix until well incorporated.
03 -
Preheat the oven to 190°C (375°F). Spread 1 cup of Alfredo sauce evenly on the bottom of a baking dish.
04 -
Generously stuff each cooked pasta shell with the prepared mushroom mixture and arrange them in the baking dish.
05 -
Pour the remaining Alfredo sauce over the stuffed shells and sprinkle with shredded mozzarella cheese.
06 -
Cover the dish with aluminum foil and bake for 25 minutes. Remove the foil and bake for an additional 10 minutes until the cheese is bubbly and golden.