Prep time 30 mins
Cook time 30 mins
Step 1 Sauté onions in frying pan.
Step 2 Add dry oregano, garlic, tomato paste, salt and pepper to the finely diced onions then stir for 1 minute then remove from the heat to cool.
Step 3 Combine the cooled onion mix with the beef mince, egg, bread crumbs, basil and ½ cup parmesan cheese. Mix thoroughly.
Step 4 Compress meat mix into 4 patties.
Step 5 Mix ¼ cup of parmesan cheese and 80g soft salted butter. Spread over the top and bases of buns generously and place silicon/baking paper over buttered sides.
Step 6 Cook patty in pan to your liking and grill buns until crisp. Set aside ready for assembly.
Step 7 Just prior to finishing the burger, place a square of cheddar cheese on top of the patty and allow it to melt.
Step 8 Spread aioli onto the crisp bun and top with lettuce, meat patty, sliced tomato, and onion rings.
Step 9 Finish off by placing the top of the bun in place.