Stuffed sheep's hearts - Fyllt hjörtu

5-6 sheep's hearts (or 4-5 pig's hearts)10-12 prunes (stoneless)600-700 ml mixture of equal proportions water and milk50 g butter50 g floursalt and peppersauce colouringChop up the prunes and stuff the hearts with them. Sew closed. Melt the butter in a pan and brown the hearts in it. Sprinkle with salt and pepper, add the milk/water mixture and cook for 1-2 hours. Remove the hearts from the