Source: Midwest Living
Dip a spoon into hot jam. Lift and hold the spoon sideways. If the jam streams off, it is too thin. As the jam thickens, it will drip. When the drips join in a sheet that falls off the spoon, the jam has set.
49 calories; carbohydrates 13g; sugars 12g; vitamin a 9.4IU; vitamin c 7.2mg; folate 3.2mcg; sodium 1mg; potassium 21mg; calcium 3mg; iron 0.1mg.