Cottage pie - Potatoes New Zealand

Ingredients

• 1kg Quality Mark beef mince
• 1 medium-sized onion, finely chopped
• 2 medium-sized carrots, peeled and grated
• 2 stalks celery, strings removed with vegetable peeler, finely chopped
• 150 ml red wine (optional)
• 400g can chopped tomatoes in juice
• 1 Tbsp tomato paste
• 250 ml beef stock
• 2 Tbsp fresh parsley, finely chopped
• 2 tsp fresh thyme leaves, finely chopped
• 1.2kg mashing potatoes, such as Agria, peeled and cubed
• 200 ml milk
• 25g butter
• 1 cup grated cheddar cheese or ¼ cup freshly grated Parmesan cheese
• 1 tsp smoked paprika
• Green peas, steamed or boiled