Start by preheating your oven to 375F.
Make the filling by combining in a mixing bowl, the ricotta, lemon zest, pesto, eggs, garlic, drained crab meat, parmesan, salt, and Old Bay seasoning.
475 grams Ricotta Cheese, 1 tablespoon Lemon Zest, ½ cup Parmesan Cheese, 3 cloves Garlic, 1 teaspoon Salt, 1 teaspoon Old Bay Seasoning, 2 tablespoon Basil Pesto, 2 large Eggs, 120 grams Crab Meat
Spread evenly, one of the bottles of alfredo sauce, into the bottom of a 9"x13" baking dish. Set aside.
820 ml Alfredo Sauce
Place the filling into a piping bag in order to fill the cannellonis. You can also use a plastic freezer bag by making a small cut in one of the corners.
16 shells Oven-Ready Cannelloni
Place the filled cannellonis, in 2 rows of 8, over the alfredo sauce. Sprinkle the shrimp over the cannellonis. Pour the second bottle of alfredo sauce over the top and spread evenly.
250 grams Salad Shrimp
Sprinkle the grated mozzarella cheese evenly on top. Cover the baking dish with aluminum foil.
1 cup Mozzarella Cheese
Bake in the preheated oven for 30 minutes. Remove the foil, and return to the oven for 10-15 minutes or until golden brown. Let it rest out of the oven for 5-10 minutes before serving.