Cheeseburger Meatball and potato wedge traybake

Name: Cheeseburger Meatball and potato wedge traybake
Prep time: 20 min
Cook time: 1 h
Total time: 1 h
Yield: 4 portions
Ingredients: 80 g Parmesan cheese; ½ tsp paprika; 1 tsp garlic powder; 1 tsp onion powder; 2 tsp gluten free cornflour; 2 pinches salt; 2 pinches ground black pepper; 500 g red potatoes; 200 g cherry tomatoes; 1 - 2 tbsp pickled jalapeño chillies; 10 g olive oil; 100 g onion; 30 g pickled gherkin; 500 g beef mince; 50 g milk; ½ tsp garlic powder; 2 tsp tomato sauce; 2 tsp English mustard; 1 tsp sea salt; ¼ tsp ground black pepper; 70 g breadcrumbs; 120 g mozzarella; 1 red onion; mixed baby salad leaves; sauce of choice