Preheat your oven to 190°C/170°C(fan)/375°F/Gas 5. Line a large baking tray with baking paper.
Put all of the ingredients (except the oil) into a large mixing bowl.
Mix everything together until well combined.
Use the oil to coat your hands, then form the mince mixture into nine sausage shapes. Place them onto the lined baking sheet.
Put into the preheated oven and bake for 15 minutes, turning halfway through cooking.
Notes
Use oiled hands when shaping the kofta, as chicken mince is naturally quite sticky. This makes the mixture much easier to handle and gives the kofta a smoother shape.
Do not make the kofta too thick, or the outside may cook before the middle is fully done. Nine small sausage shapes cook quickly and evenly.
If the mixture feels too wet to shape, add a little more breadcrumbs, one tablespoon at a time. If it feels too dry, add a small spoonful of harissa or a drizzle of oil.
Turn the kofta halfway through baking so they colour evenly on both sides.
Do not overbake them. Chicken mince can dry out if cooked for too long, so check them at 15 minutes and only add a couple more minutes if needed.
Let the kofta rest for a few minutes before serving. This helps the juices settle and keeps them more tender.
Taste your harissa before adding it. Some are very mild and tomatoey, while others are much spicier. Adjust the amount to suit your taste.