Cheeseburger & chips

Name: Cheeseburger & chips
Prep time: 25 min
Cook time: 45 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 ¼kg lean beef mince; 1 onion finely chopped; 140g breadcrumb; 100g mature cheddar grated; small bunch parsley chopped; 1 tbsp Worcestershire sauce; 1 egg lightly beaten with a fork; 1 tsp mild chilli powder; 2 ½kg bag of potato 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