Preheat your oven to 400 degrees F. Line a large rimmed baking sheet with foil for easy clean up.
Cut the spaghetti squashes in half, from the vine stub to the bottom. Scoop out the seeds and membrane (discard).
2 medium spaghetti squash
Brush the inside of the squash with olive oil and sprinkle with salt and pepper.
olive oil, kosher salt, freshly ground black pepper
Place the squash halves open-side down the prepared baking sheet. Add a little bit of water to the baking sheet to allow the squash to steam while roasting. Place in the preheated oven and roast for 30 minutes. In a medium bowl, combine the shrimp with garlic, lemon juice, Italian seasoning, pepper and salt.
1 pound jumbo shrimp, 2 cloves garlic, 2 tablespoon lemon juice, 1 teaspoon Italian seasoning, ½ teaspoon freshly ground black pepper, ½ teaspoon kosher salt
Heat the olive oil in a large skillet over medium heat. Sauté the shrimp for 3-5 minutes, or until opaque. If they have tails on, cut off and discard the tails now. Cut the shrimp into bite size pieces.
1 tablespoon olive oil
In a large bowl combine the spinach, heavy cream, 1/2 cup of the mozzarella cheese, parmesan cheese, cream cheese, and melted butter. Mix together until combined. Fold in the cooked shrimp. 3 cups chopped fresh spinach, 1 3/4 cups heavy cream, 1 cup shredded mozzarella cheese, 1 cup shredded parmesan cheese, ½ cup (4 ounces) cream cheese, 2 tablespoons unsalted butter
Remove the squash from the oven, turn them over (open side up), divide the shrimp mixture evenly between each squash half. Top with the reserved 1/2 cup mozzarella cheese and return to the oven for another 15 minutes.
Top with chopped herbs and serve.
Optional for serving: freshly chopped basil and parsley