Roasted Turkey with Fondant Sweetpotatoes - North Carolina Sweetpotatoes

Ingredients

• 4 large sweetpotatoes
• 1/4 tsp salt
• 1/2 tsp black pepper
• 2 tbsp extra virgin olive oil
• 3 tbsp unsalted butter, cut into cubes
• 1 tbsp fresh thyme
• 3 crushed garlic cloves
• 200 ml chicken stock
• 1 whole turkey
• 150 g unsalted butter
• salt and ground black pepper to taste
• 500 ml chicken stock