Wash and clean the rhubarb and strawberries. Peel off the rhubarb, then cut into pieces. Halve the large strawberries.
Melt the currant jelly in a saucepan. Add the rhubarb, half of the strawberries, sugar and 1 tablespoon of red wine. Cover and simmer.
When the rhubarb is soft, stir the starch with 3 tablespoons of red wine until smooth, add to the fruit and bring to the boil again. Add the remaining strawberries and chill the grits.