Pork Tenderloin and Roasted Sweet Potatoes with Port Sauce

Name: Pork Tenderloin and Roasted Sweet Potatoes with Port Sauce
Prep time: 40 min
Cook time: 1 h 40 min
Total time: 1 h 40 min
Yield: 4 portions
Ingredients: 750 g sweet potatoes; 500 g shallots; 50 g olive oil; 2 tsp fine sea salt; ¾ tsp ground black pepper; 5 garlic cloves; 40 g unsalted butter; 2 ½ Tbsp fresh thyme leaves; 1 ½ Tbsp Dijon mustard; 1 Tbsp fresh rosemary leaves; 1 ½ tsp smoked paprika; 2 pork tenderloins; 30 g olive oil; 15 g unsalted butter; 1 Tbsp caster sugar; 70 g ruby port; ½ beef stock cube (for 0.5 l); 200 g water