Mutton Pepper Masala | Lamb Pepper Masala | Spicy Mutton Recipe | Motton Kosa | Mutton Masala | Lamb Meat Recipe in Bengali | Spicy Lamb Recipe | Kolkata Style Mutton Kosa | Lamb | Mutton Pepper Masala is a non-veg recipe specially for monsoon or winter season. Lamb meat is cooked with Indian spices, specially added freshly ground black pepper and black pepper sauce to give a spicy flavour and nice look.