Slow Cooked Beef Stroganoff

Name: Slow Cooked Beef Stroganoff
Prep time: 30 min
Cook time: 7 h
Total time: 7 h
Yield: 6 portion
Ingredients: 795 g beef chuck; ¾ tsp salt; ¼ tsp black pepper, ground; 2 - 3 garlic cloves; 30 g olive oil; 200 g onions; 3 tablespoon all purpose white flour; 30 g Dijon mustard; ½ tsp paprika; 680 g liquid beef stock; 30 g red wine, dry; water; 225 g egg pasta, dried, type pappardelle; 2 tbsp cornstarch; 2 tbsp water; 285 g white button mushroom, fresh; 115 g sour cream, any type; fresh mixed herbs