Combine dates and water in pan and bring to boil, then remove from heat. Stir in the soda for 5 minutes. Blend with butter and sugar until smooth.
Add eggs and flour. Transfer into another 9” pan lined up with butter(you can use the Lurpak spray) and baking paper, If you using a silicon pan like I did just use butter spray
For the butterscotch sauce:Combine ingredients in medium pan. Stir over low heat until sugar is dissolved and butter melted
Jenan White Eggs 15s Large 
Arwa Water 
Foster Clarks Bicarbonate Of Soda 
Lurpak Unsalted Butter Block 
Sis Brown Sugar 
Home Pride Self Raising Flour 
Date Crown Fard 
Puck Cooking Cream