Preheat oven to 180.deg C
Bring dates and water to boil.in sausepan,mix in Bicarb. Soda.
Cream butter and C sugar until pale. add eggs 1 at a time, beating well after each addition.Sift in the flour. Add the date mixture and vanilla essence. and mix well.
Pour into a large rectangular baking dish.and bake in oven 30 mins.
To make sauce. Put sugar cream and butter in saucepan over a med. heat. mix until well combined and smooth Bring to boil
Remove from heat cool slightly.