Finely chop red onion, ginger, and garlic
Mix chilli powder, ground coriander, cumin seeds, and salt together
Combine lamb mince with the spice mixture, chopped aromatics, and frozen peas
Roll out puff pastry and fill with keema mixture
Roll into sausage shapes
Brush with beaten egg
Sprinkle cumin seeds and black mustard seeds on top
Bake until golden and cooked through
