Spaghetti Squash with Ricotta and Gremolata Prep: 15 minutes Cook: 1 hour Serves: 4 1 Medium spaghetti squash (about 2 lb.) 1 Tbsp. olive oil     Salt and freshly ground black pepper 4 strips lemon zest 3 Tbsp. coarsely chopped parsley 1 small clove garlic, finely chopped 1 cup whole-milk…