Roasted beef tenderloin with rosemary, chocolate and wine sauce Recipe | Food Network UK

Ingredients

• 1 (1kg) beef tenderloin
• 1/4 tsp salt
• 1/4 tsp freshly ground black pepper
• 4 tsp olive oil
• 75g chopped shallots
• 1 small carrot, finely chopped
• 1 stalk celery, finely chopped
• 1 clove garlic, minced
• 500ml dry red wine
• 500ml low-sodium beef stock
• 2 tbsp tomato paste
• 1 bay leaf
• 1 sprig fresh thyme
• 1 tbsp unsweetened natural cocoa powder
• 1 tsp chopped fresh rosemary leaves