European Kitchen - Potato kibbeh tart with spinach and mushrooms

Recipe Ingredients:

6 mashed potatoesSalt and pepper25g Almarai butter¼ cup Almarai milk½ cup Panko or bread crumbs1 teaspoon potato spices

Filling:

50g Almarai butter2 tablespoons olive oil1 chopped onion2 cloves of chopped garlic2 cups chopped mushrooms6 cups spinach1 chopped red bell pepperSalt and pepper1 teaspoon dried herbs1 teaspoon garlic powder1 tablespoon flour½ cup Almarai mozzarella cheese½ cup cheddar cheese