Slice onions and fry in 10 ml vegetable oil until crispy
Season fried onions with 1 g salt and 1 g sweet paprika
Layer mozzarella and cheddar on the crispy onions to form a roll base
Brown 400 g beef in 15 ml vegetable oil
Season beef with 2 g salt, 1 g black pepper, and 1 g sweet paprika
Mix light mayonnaise, ketchup, mustard, pickled cucumbers juice, 1 g black pepper, 1 g salt, and 1 g sweet paprika to make the sauce
Assemble the roll by layering the cheese-onion base, cooked beef, Iceberg lettuce, pickled cucumbers, and sauce
