Preheat: Heat the oven to 400°F.
Mix the meat: In a large bowl, combine the ground lamb, grated onion, garlic, paprika, cumin, oregano, salt, black pepper, and olive oil. Mix for 2–3 minutes until the mixture becomes slightly sticky.
1½ pounds ground lamb or mutton, 1 small onion, 3 cloves garlic, 1 teaspoon ground cumin, 1 teaspoon oregano, ½ teaspoon black pepper, 1 teaspoon salt, 1 tablespoon olive oil, 1 teaspoon paprika
Roll the meat: Place the meat mixture between two sheets of parchment paper and roll it into a thin, even rectangle. Remove the top sheet, then use the bottom sheet to tightly roll the meat into a log.
Parchment paper
Bake: Transfer the log to a baking tray and bake for about 20 minutes, or until cooked through. Carefully reserve the cooking juices.
Slice and broil: Tear or slice the cooked log into thin doner-style pieces. Spread them over the baking tray, drizzle with the reserved juices, and broil for 5–8 minutes, turning once or twice, until the edges are lightly browned and crisp.
Serve: Enjoy immediately in pita bread, flatbread, salads, rice bowls, or your favorite kebab wraps.