Dice your onion, peppers, and jalapenos. I like to do mine in my food processor using the shredder attachment
Place first three ingredients into the pressure cooker and continue adding each ingredient.
Secure the lid and process for 40 minutes.
When it is finished you can divide it into three 9X13 pans. Cool and cover and then freeze.
When ready to use thaw and then bake at 350 for 20-30 minutes