The Four Fruits Jam (Marmellata Ai Quattro Frutti)
Instructions
Bring to the boil the fruit and sugar 10 cl of water.
Cook for 20 minutes.
Note some general rules about jams: take only healthy fruits for the preparation of jams; wash the fruit, remove the stones or the berries; counted 1000 g of sugar for every 1000 g fruit; don't compromise overcook at a time; take 1000 g for cooking: the sugar crystallizes and the jams will retain their beautiful color; Cook over medium heat until it forms a slight froth on the jam, then fill the jars; pour liquid paraffin on jam or stretch a cellophane paper pots; Let cool slowly the jam and keep it in a dry place with low light.