These sheet-pan Iraqi beef patties called Aroog are made with onions, garlic, parsley, and sometimes peppers or tomatoes. They are lightly seasoned and flavoured mostly with tomato sauce. These crispy patties are often served as a light dinner or stuffed in some buns with sliced vegetables.
Preheat the oven to 450F and position a rack on the bottom.
Add the onions, parsley, garlic, and bell pepper to a food processor and pulse until chopped very fine. (If you do not have a food processor, you can chop very finely with a knife.)
Transfer the mixture to a large bowl, then add the ground beef, salt, pepper, flour, passata, tomato paste, and baking powder. Mix well with your hands until the mixture is cohesive and forms a soft dough.
Line two large, rimmed sheet pans with parchment paper, then pour 2 tablespoons of oil on each lined pan and spread the oil with your hands.
Spoon 1 to 2 tablespoons of the meat mixture directly onto the pan and form it into a circular patty, roughly 1/4 inch (6 mm) thick. Continue doing this, leaving 1 inch (25 cm) of space between each patty.
Place the sheet pans on the bottom rack of the oven and bake for 15 minutes. (If your oven does not fit both pans, bake one pan at a time.) After 15 minutes, check if the bottoms of the patties are cooked, they should look brown and crispy, if not, bake for another 5 minutes longer, until sizzling and golden on both sides. Broil the tops for a few minutes to brown them further if required.
Serve as sandwiches in the samoon buns with the sliced tomatoes, green onions and parsley.
Notes
I love serving these with some mayonnaise, hot sauce and/or ketchup but feel free to add whatever sauces you like.You may also shallow-fry these beef patties in a nonstick skillet using roughly 1/2 inch (13 mm) of oil, working in batches.