In a pan, dry roast peppercorns, cinnamon stick, cloves, fenugreek seeds, mustard seeds, coriander seeds, cumin seeds, and saute until aromatic on a low flame.
½ tsp Peppercorns, ½ inch Cinnamon stick, 3 Cloves, ⅛ tsp Fenugreek seeds, ½ tsp Mustard seeds, 2 tsp Coriander seeds, 1 tsp Cumin seeds
Add this to the grinder along with cardamom, ginger, garlic cloves, and tomatoes, and grind it to a thick, smooth paste.
2 Cardamom, 1 inch Ginger, 8 to 10 Garlic cloves, 2 to 3 Tomatoes