Calories: 0 kcal
P: 0g | F: 0g | C: 0gChoose ripe but firm grapes. Wash them and remove the berries from the stalk.
Put them in a saucepan; bring to the boil and, after lowering the flame, cook them, half-covered, for about 20 minutes, stirring now and then.
Then mash the berries with a wooden spoon and keep on cooking for about 5 minutes.
Pass the mixture through a moulilegumes or mash, then sieve to remove their seeds.
Weigh the mixture and add 100g (3 1/2 ounces)sugar every 500g (1.1 pound) mixture.
The real quantity of sugar depends on the sweetness of the chosen grapes.
Bring to the boil again; lower the flame and keep on cooking, stirring now and then, for 10-15 minutes.
Let the jam cool, pour into the glass jars and sterilize them for an hour.