Ingredients
- 1¼kg lean beef mince
- 1 onion, finely chopped
- 140g breadcrumbs
- 100g mature cheddar, grated
- small bunch parsley, chopped
- 1 tbsp Worcestershire sauce
- 1 egg, lightly beaten with a fork
- 1 tsp mild chilli powder
- 2½ kg bag of potatoes, cut into chunky chips
- 3 tbsp plain flour
- 10 tsp olive or sunflower oil
- burger buns, lettuce, sliced red onion, tomatoes, gherkins, and sauces or relishes, to serve