Step 1

Add your vegetables, bones and vinegar to your pressure cooker.

Step 2

Cover everything with water, but do not fill your pressure cooker more than 2/3 full.

Step 3

Place your lid on your pressure cooker and make sure it is set to "pressure".

Step 4

Set your burner on high until the pressure builds up and steam starts to escape.

Step 5

Turn your burner down to med/low. Just enough to let a steady stream of steam escape.

Step 6

Cook for an additional 45 minutes to 1 hour.

Step 7

Remove from the burner and let the pressure go down. (This can take up to 10-15 minutes.)

Step 8

Remove the lid and strain the broth.