Minced meat bricks (briouats bel kefta)

Ingredients :

 200 g minced meat
 1 large potato
 1 onion
 15 leaves of fresh mint
 salt, pepper
 1/2 teaspoon cumin
 1/2 teaspoon cinnamon
 1/2 teaspoon of chilli powder
 1 egg
 1 pack of bricks leaves
 oil for frying