Bean burgers & sweet potato wedges

• Red kidney beans (400g tin)2
• Brown onions100g
• Plain flour40g
• Ground cuminstore cupboard3g
• Free range eggs (15 pack)1
• Burger buns (6 pack)4
• Sweet potatoes800g
• Vegetable oilstore cupboard30ml

Plus salt and pepper. About £2.50 for the amounts used.

Method

1. 1

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

2. 2

   Cut 800g sweet potatoes into wedges, toss with 1 tbsp oil and salt, and roast for 30-35 minutes.

3. 3

   Drain 2 tins kidney beans and mash well. Mix with 1 finely chopped onion, ½ tsp cumin, 1 egg and 40g flour. Shape into 4 burgers and chill for 10 minutes if you can.

4. 4

   Fry the burgers in 1 tbsp oil for 4-5 minutes on each side until crisp and hot through.

5. 5

   Serve in 4 buns with the wedges.