Slice carrots into 1/8″ pieces. Chop broccoli into 1/2″ pieces. Chop onions into 1″ square pieces. Half or quarter zucchini and slice into pieces about ⅛” – ¼” thick. Slice mushrooms to about 1/4″. Use frozen or alternate veggies if desired. Dehydrate veggies separately at 135°F until they are crispy (~8+ hours).