Preheat oven to 350 degrees
Prepare noodles according to packaging, drain and set aside
In a small bowl season shrimp with 1/4 teaspoon garlic powder, 1/4 teaspoon onion powder and 1/8 teaspoon black pepper- mix well and set aside
In a small skillet , heat olive oil and cook shrimp on each side for 1-3 minutes or until done , then remove from heat and set aside
In a large pot , melt butter and sauté garlic for 1-2 minutes or until fragrant on medium heat
Pour in heavy cream and use a whisk to mix well until the butter is fully combined in the cream -allow it to cook for 3-4 minutes
Reduce heat to medium low and Slowly mix in parmesan cheese and tomato sauce until fully combined
Season sauce with 1 and 1/2teaspoon old bay seasoning, 1/4 teaspoon garlic powder and stir
Allow the sauce to simmer for 6-8 minutes stirring occasionally
In a large bowl combine ricotta cheese, Asiago cheese , spinach, and egg and stir well
Chop the cooked shrimp into small pieces and add it to the ricotta cheese mixture
Add crab and stir until everything is fully combined
In a large baking dish pour 1/2 of the sauce into the bottom of the pan
Fill the shells with the seafood mixture and add them to the dish
Drizzle the remaining sauce over the shells
Cover evenly with mozzarella cheese
Bake for 25-30 minutes
Remove from heat
Garnish with fresh parsley
Serve and enjoy !