280 ml of water with the dates put on fire, bring to boil and remove. The butter and sugar mix well, add eggs, flour with soda, dates together with water to pour, all is well permeate and pour into mold. I took the piece and made the paper. Put in the oven for 35 mins At 180 C.

To make the sauce. To do this, take a saucepan, put in butter, sour cream and sugar. Bring to boil and diminished the fire, boil for 3 more min. When serving pour over sauce and add the yogurt.