Take a tava/pan, pour a little oil and heat in low flame. Fry the red chillies(should not become black in color).

Put these chillies in a mixer jar.

Saute the onions till they become light brown.

Put it into the mixer jar and add required salt. Grind till it become a paste.

Pour the chilly paste into a bowl and add very little oil and mix well.

Ready to have with Dosa/Iddly..