Slice the vegetables in ½" slices.
In a gallon size bag, drizzle in about a tablespoon of olive oil.
Add the vegetables in a single layer, but no more than 2 layers.
Vacuum and seal the bag. [mv_img id="43539"]
If using a gallon zip top bag, remove as much air as possible from the bag and seal.
Heat the water bath to 140.
Submerge the vegetable bag in the water.
If using a gallon zip top bag, open the bag a tiny bit and slowly lower the bag into the water so the forces the air out of the bag. Close the bag when all the air is pressed out.
Cook for 1 hour. [mv_img id="43542"]