Beef and Vegetable Casserole with Mashed Potato Top

Method

1. Preheat oven to 200°C (400°F).
2. In a pan, cook onions, carrots, celery, and garlic until softened.
3. Add minced beef and cook until browned.
4. Stir in tomato paste, thyme, and rosemary.
5. Season with salt and pepper, then transfer to a baking dish.
6. Mash potatoes with butter and milk, then spread over the meat mixture.
7. Bake for 25-30 minutes until golden and bubbly.
8. Check that the ground meat reaches 71°C (160°F) throughout before serving.