Watch this video: https://youtu.be/kU41nvii3Hs

Pluck the stems and apex of green chilies.

Cut the capsicum(bell pepper) into medium pieces.

Pressure cook the vinegar, green chilies, bell pepper and garlic(add a little salt) in a pressure cooker

After about 3 whistles of the pressure cooker, remove the contents and allow to cool.

Blend the contents in a blender, add salt to taste.

Green Chili sauce is ready!!!

After it cools completely you can store it in glass bottles for 2-3 months