Cook jumbo shells according to package, once cooked strain and set aside to cool.
Pre heat your oven to 350˚.
In medium bowl combine, Ricotta, egg, seasoning, garlic, parmesan cheese, mozzarella cheese.
Pour marinara sauce into the bottom of a baking dish.
Spoon filling into cooked shells and then place shells in the baking dish.
Sprinkle extra mozzarella and oregano over the top and bake for about 20 minutes.