Perfect Roast Turkey - Chefwiz

Ingredients

• 1/4 pound (1 stick) of unsalted butter
• 1 lemon (, with its zest and juice)
• 1 teaspoon of freshly chopped thyme leaves
• 1 fresh turkey weighing 10 to 12 pounds
• Kosher salt
• Freshly ground black pepper
• 1 large bunch of fresh thyme
• 1 whole lemon (, cut in half)
• 1 Spanish onion (, quartered)
• 1 head of garlic (, halved crosswise)