The shape and seediness of whole raspberries makes pureed raspberry fruit leather the best option for drying the juicy summertime favorite. Fruit leathers from raspberry puree may be dried in an oven or a dehydrator. If you prefer to preserve the red fruits in whole form, you can use either an oven or a dehydrator.
Things You'll Need
- Cookie sheet and plastic wrap or dehydrator drying trays with liner sheets
- Food processor or blender
- Fine-mesh sieve
- Spatula or large spoon
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Preheat the oven to 140 degrees Fahrenheit, if using the oven method. Prepare the oven-drying trays by lining a cookie sheet with plastic wrap and smoothing the wrap's surface to minimize unevenness in the final product. If you're using a dehydrator, set the manufacturer's liner sheets into the dehydrator tray or trays.
Remove any stems and debris from individual raspberries, if needed.
Puree 2 cups of whole raspberries in a food processor or blender, then press the pureed raspberries through a sieve to remove the seeds.
Squeeze a lemon to extract fresh lemon juice.
Combine the puree with 1/4 cup honey and 1 tablespoon lemon juice.
Spread the raspberry puree over the plastic-lined cookie tray or lined dehydrator tray, using a spatula or spoon. Aim for a layer that's 1/8 to 1/4 inch thick.
Set the tray in the preheated oven and leave the door propped open 2 to 6 inches. Alternatively, put the dehydrator tray in the dehydrator and set the appliance's thermostat to 135 to 140 F, unless the manufacturer suggests otherwise.
Remove the raspberry leather after about 6 hours, or when it is leathery and easily bent.
Peel the leather off the plastic wrap or dehydrator liner and set it on a clean piece of plastic wrap. Roll the plastic-covered raspberry leather up tightly, and store.
Dried Whole Fruit
Preheat the oven to 140 F, or set your dehydrator to 140 F or the manufacturer's recommended setting.
Remove any stems and debris from individual berries, if necessary.
Place the whole raspberries on a cookie sheet if you're drying them in the oven. Place them on the dehydrator tray if you're using a dehydrator.
Check the berries after 4 hours. Remove them when they are hard and no juice escapes when pressed. The raspberries will also have a rattling sound when they have dried completely.
Store the cooled, dried whole raspberries in a clean, airtight container.