Cheesy Baked Spaghetti Squash With Marinara Sauce

Ingredients

• 2 medium spaghetti squash (about 2-1/2 pounds each)
• 1 tablespoon extra-virgin olive oil
• Salt
• Freshly ground black pepper
• 1-3/4 cups jarred marinara sauce, best quality such as Rao's
• 2 teaspoons chopped fresh thyme, plus more for serving (or 3/4 teaspoon dried)
• 1-1/2 cups shredded whole milk mozzarella cheese
• 3 tablespoons finely grated Parmigiano-Reggiano
• 1-1/2 tablespoons butter, melted
• 3/4 cup panko bread crumbs