Cheeseburger potato bake

• Beef mince 20-25% fat500g
• Brown onions150g
• Tomato puree30g
• Wholegrain mustard10g
• White potatoes800g
• Mature cheddar120g
• Semi-skimmed milk100ml

Plus salt and pepper. About £4.78 for the amounts used.

Method

1. 1

   Heat the oven to 200°C (180°C fan, gas 6).

2. 2

   Slice 800g potatoes thinly and boil for 6 minutes. Drain.

3. 3

   Fry 500g beef mince and 1 chopped onion for 8 minutes until browned. Stir in 2 tbsp tomato puree, 2 tsp mustard and a splash of water. Season.

4. 4

   Layer half the potatoes in a baking dish, then the mince, then the rest of the potatoes. Pour over 100ml milk and top with 120g grated cheddar.

5. 5

   Cover with foil and bake for 20 minutes, then uncover and bake for 15 minutes more until golden.