Adana Kebab

Ingredients

• 1 lb ground lamb
• 1 lb ground veal
• 4 teaspoons olive oil, for brushing on pita's
• 4 teaspoons salted butter, small cubes
• 1 red bell pepper, minced
• 1 medium yellow onion, minced
• 3 garlic cloves, minced
• 1 cup yogurt
• 2 medium red onions, sliced very thin
• 1 teaspoon sumac
• 1 teaspoon lemon juice
• 8 pieces pita bread or 8 pieces naan bread
• 2 teaspoons red pepper flakes
• 2 teaspoons ground coriander
• 2 teaspoons cumin
• 2 teaspoons black pepper
• 2 teaspoons kosher salt
• 2 teaspoons sumac, can be found in any middle eastern store.or you can omit this step