Mandoline Beet Chips Blanching Air-Fryer Low-Temp Tips
Crisp, evenly cooked beet chips are achievable with an air fryer when you control thickness, moisture, and heat.
Use a mandoline for uniform thickness
Set a mandoline to 1 to 1.5 mm and slice beets with steady, gloved hands to prevent slips and to protect fingers. Uniform slices cook at the same rate, reducing hot spots that char edges while centers stay chewy. Immediately pat slices dry on paper towels to remove surface moisture, which helps them crisp evenly.
Blanch first to reduce chewiness
Bring a pot of lightly salted water to a gentle boil, add beet slices for 30 to 45 seconds, then transfer them to an ice bath to stop cooking. Blanching gelatinizes surface starches and softens cell walls so the air fryer dehydrates more uniformly, preventing leathery centers. Dry thoroughly after the ice bath by pressing between clean towels, as residual water can steam the slices and hinder crisping.
Use lower temp and shake frequently
Preheat the air fryer to 275 to 300°F, lightly mist the basket and slices with high smoke point oil, and arrange slices in a single layer without overlap. Cook for 10 to 16 minutes depending on thickness, opening the basket every 3 to 4 minutes to shake and rotate slices to avoid hot spots and early charring; remove any chips that have already crisped to prevent burning. If edges brown too fast, drop the temperature by 10 to 15°F and continue until slices are fully crisp, letting them cool on a rack to set; use heat-resistant gloves when handling the basket and avoid crowding to maintain airflow.
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