Ricotta and Spinach Gnudi with Sage and Parsley

Name: Ricotta and Spinach Gnudi with Sage and Parsley
Ingredients: 1 cup frozen chopped spinach, thawed and squeezed dry; 1 cup whole milk ricotta; 1 grated Parmesan; 3 large egg yolks; Kosher salt and freshly ground black pepper; Nutmeg, to taste; 1 cup type 00 flour or all-purpose; 1/2 cup parsley and sage leaves; 6 tablespoons salted butter