To begin making the Chaat Masala Recipe, heat a pan on low flame and dry roast the cumin seeds, coriander seeds and black peppercorns. 

Roast for on medium-low heat until fragrant. This will take about 8-10 minutes. 

Turn off the flame and allow it to come to room temperature. 

Transfer to a mixer jar, add the black salt, dry mango powder, asafoetida and salt to taste. 

Grind to a fine powder. 

Use Chaat Masala is various chaat and buttermilk recipes.