To a pan add 1/4 cup cumin seeds. Dry roast for 2-3 mins until slightly browned and nice aroma comes. Transfer to a bowl and set aside.
Now add 2 tablespoon whole black pepper corns. Dry roast for 2 mins until it turns crisp. Transfer to the same bowl and set aside.
Now add 1 tablespoon rock salt and dry roast for a minute and switch off. Salt is roasted to avoid moisture while grinding.
Now to this add 1/4 teaspoon dry ginger powder, 1/8 teaspoon hing and 2 tablespoon amchur powder. Make sure not to burn the spice powders.
Dry roast it for a minute do not burn the spices. Transfer to the same bowl and set aside.
Add around 15 mint leaves to the pan.
Dry roast until it turns crisp and dry.
Transfer it to the same bowl too.
Now add 1/4 teaspoon nutmeg powder, 1/4 teaspoon red chilli powder and 2 tablespoon black salt.
Mix it well, cool down completely.
Now cooled completely and ready to grind.
Transfer to a mixer jar.
Grind it to a fine powder.
Grind it as fine as possible.
Spread it to cool down completely then store in an airtight container.
Homemade Chaat Masala Powder is ready to use.