Manicotti

Bahan-bahan (6 porsi)

• ½ teaspoon kosher salt (plus more for pasta water)
• 1 (8- to 10-ounce) package manicotti
• 1 (10-ounce) package chopped frozen spinach
• 1 (15-ounce) container part-skim ricotta cheese (or use whole milk)
• 2 cups shredded whole milk mozzarella cheese (divided about 8 ounces)
• ¾ cup finely grated Parmesan (divided)
• 1 large egg (at room temperature)
• 3 g arlic cloves, minced (about 1 tablespoon)
• ⅛ teaspoon ground nutmeg
• 1 (14-ounce) jar good quality marinara sauce (divided—I like DeLallo or Rao’s)
• Thinly sliced fresh basil or chopped fresh parsley (for serving)