Can you freeze dry sugar at home?

Freeze-drying is a process that involves freezing the food and then removing the moisture at low temperatures. Here’s a basic outline of the steps:

  1. Prepare the Sugar: Spread the sugar evenly on a tray, avoiding too much piling.
  2. Pre-freeze: Place the tray in the freezer until the sugar is completely frozen. This usually takes several hours.
  3. Freeze-drying:
    • If you have a freeze-dryer, follow the manufacturer’s instructions. Most home freeze-dryers will automatically handle the freezing and drying process.
    • If you don’t have a freeze-dryer, you can try using dry ice. Put the frozen sugar and dry ice in a sealed container (like a cooler), then place it in a cold location. The dry ice will sublimate and remove moisture, but this method is less reliable.
  4. Storage: Place the freeze-dried sugar in vacuum-sealed bags or jars and store it in a cool, dry place.

Keep in mind, home freeze-drying might not be as effective as using commercial equipment and requires more time and effort. If you need to freeze-dry food often, investing in a professional freeze-dryer might be worth it.

Freeze Dryer Comparisons

Model HFD-9 HFD-10 HFD-15 HFD-20 HFD-25
Tray space 0.9m2 1m2 1.5m2 2m2 2.5m2
Cold trap temperature -55℃
Ultimate Vacuum <2pa
Power supply 220V/50HZ can be customized 110V or 380V
Processing capacity 12-14 14-15 15-20 25-26 29-30
(kg/batch)
Material tray size 200*425mm 309*780mm 270*780mm 390*900mm 390*900mm
Number of  trays 10pcs 4pcs 7pcs 6pcs 7pcs
Layer Spacing 35mm 65mm 40mm 40mm 48mm
Capture water volume 12KG/24H 12KG/24H  18KG/24H 26KG/24H 30KG/24H
Overall power 2300W 3000W 3000W 4500W 4500W

Why Freeze Drying

Freeze Dried Candies

Freeze dried milk/yogurt

Freeze-dried chicken

Liquid freeze-drying operation - egg liquid

Recipes for freeze dryer fruits---Home Freeze Dryer