Step 1Preheat oven to 325 degrees F.Step 2Using the slicing blade of your food processor, a mandoline or a sharp knife, slice beets thinly. You want them to be the size of a potato chip.Step 3Spread evenly on a cookie sheet, spray with nonstick spray and season with salt.Step 4Roast 45 minutes to 1 hour, turning halfway through, until crisp. Check often to make sure they don't burn. you may need to roast for a shorter or longer period of time depending on your oven and how crisp you want them - so keep an eye on them. :).Step 5serve as is, or with sour cream or another favourite dip.