Ricotta-Stuffed Shells Recipe

Name: Ricotta-Stuffed Shells Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: European, Italian, Mediterranean
Ingredients: kosher salt; 1 pound large pasta shells; 2 cups whole-milk ricotta cheese (store-bought or homemade); 3/4 cup finely grated Parmesan cheese, plus more for serving; 1/4 teaspoon nutmeg (preferably freshly grated); 1 large egg, lightly beaten; 6 sprigs basil, chopped, stems and all; 3 cups tomato sauce (store-bought or homemade)