Cheeseburger Spring Roll

Name: Cheeseburger Spring Rolls
Ingredients: 8 spring roll wrappers; 200 grams minced beef; 1 small white onion, finely sliced; 2 tablespoons american mustard; 2 sweet gherkins, diced; 70 grams burger cheese, grated; Egg wash; Vegetable oil for deep frying