Classic meatloaf

Name: Classic meatloaf
Prep time: 20 min
Cook time: 1 h 35 min
Total time: 1 h 35 min
Yield: 6 portions
Ingredients: olive oil spray; 1 brown onion; 10 sprigs fresh flat-leaf parsley; 3 slices day old bread; 1 tsp nutmeg; 250 g milk; 2 tsp Dijon mustard; 1 ½ tbsp Worcestershire sauce; 260 g tomato sauce; 1 egg; ½ tsp salt; ½ tsp ground black pepper; 1000 g beef mince; 2 - 3 tsp mustard powder; 2 tbsp brown sugar; 1000 g water; 18 - 20 new baby potatoes