Soak the tamarind in water preferably hot for about 30 mins then cool and squeeze to release the pulp
Lightly roast the peppercorns, cumin, cloves, cinnamon and poppy seeds and cool
In a food processor or spice grinder, grind these to a powder
Using a bigger food processor jar, add the vinegar, green chillies, ginger and garlic followed by half the coriander and water
Grind to a paste
Add the second half of the coriander and the ground whole spices and grind till smooth
In a large food processor jar add the chicken breast cut in cubes
Add all the Cafreal masala, salt to taste and the diced onions and process till the chicken forms a thick paste that easily holds together - don’t over puree
Using oiled hands form the kebabs in a flat sausage like shape around the stick and shallow fry
For reheating, do not use the microwave, it can cause the stick to come loose