In a small bowl, beat the redcurrant jelly with a spoon until smooth, pour into a wide pan and add 4 tablespoons water.
Trim and discard the leaves and the base of the stalks from the rhubarb. Cut the rhubarb into 2.5 cm (1 inch) slices and add to the pan in a single layer.
Bring to the boil and immediately turn the heat down to a bare simmer. Cover tigh