- 3 pounds [1.4 kg] ground cherries
- 3 pounds [1.4 kg] sugar
- 1 1/2 cups [375 mL] water
- Sterilized jars
- Hot melted paraffin
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- Peel, wash and drain ground cherries.
- Mix together sugar and water into a large casserole; cook until of hard ball stage [250°F / 120°C onto a candy thermometer].
- Fore a thinner syrup, cook for a little less time.
- Add drained ground cherries; bring to boil, stirring gently.
- Boil, mixing, to help evaporation; mix very gently not to break ground cherries.
- After 5 to 8 minutes boiling time, pour jam into a bowl.
- Leave to cool for a few hours, mixing every once in a while [this way, fruits will be filled with syrup and will not tend to 'float' on top of the syrup].
- Pour into sterilized jars, leaving 1/4 inch [1 cm] free space on top.
- Delicately pour a thin layer melted hot paraffin on top; let layer set before pouring in more hot paraffin.
- Seal; store into a dry, cool environment.
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