Hasselback potatoes with bacon and herb butter

Name: Hasselback potatoes with bacon and herb butter
Prep time: 15 min
Cook time: 1 h 15 min
Total time: 1 h 15 min
Yield: 6 portions
Ingredients: 6 potatoes; 6 tbsp extra virgin olive oil; sea salt flakes; 30 g Parmesan cheese; 2 sprigs fresh flat-leaf parsley; 2 garlic cloves; 1 tsp ground paprika; 1 tsp Dijon mustard; 100 g unsalted butter; 120 g rindless bacon rashers; 2 sprigs fresh flat-leaf parsley