Sambar powder is typically made by grinding together a combination of spices. The exact composition may vary from region to region or even from household to household, but common ingredients include coriander seeds, cumin seeds, black peppercorns, fenugreek seeds, dried red chili peppers, curry leaves, turmeric, and asafoetida. These spices come together to create a harmonious blend that imparts a rich and flavorful taste to the sambar.

              To maintain the freshness and flavor of sambar powder, it should be stored in an airtight container in a cool, dry place, away from direct sunlight. Properly stored, it can retain its flavor and potency for several months. However, like any spice blend, sambar powder gradually loses its aroma and effectiveness over time, so it is best to use it within a reasonable period.