firstly, soak 15 dried chilli in hot water for 20 minutes.
drain off the water and keep aside.
in a tawa heat 2 tbsp oil and add 15 clove garlic and 1 inch ginger.
roast on low flame until it turns golden brown.
add in soaked red chilli and saute for 2 minutes.
further, add ½ tsp sugar and ½ tsp salt.
blend to smooth paste without adding water. keep aside.
in a pan heat 2 tbsp oil and splutter 1 tsp mustard, ½ tsp cumin and pinch hing.
add in prepared garlic chilli paste and saute until oil separates from the pan.
finally, cool completely and enjoy lahsun ki chatni with roti.