CINNAMON SANDWICH CAKE with date filling

2 small cups SR
1/4 c sugar
2 tsp vanilla essence
pinch salt
1 tsp? cr of tartar
1/2 tsp bicarb? dissolved in hot water
125g butter
3 eggs
2 tsp cinnamon
a little extra rising (see guesses of bicarb and cr tartar)
1/4 c milk

Cream b&s, add eggs separately then essence & cinnamon.
Sift flour, salt and cr tartar and add. Then add milk & dissolved bicarb to mixt.
Pour into greased tins, cook in mod oven 20 mins.

FILLING
Chop 12 dates finely, add a piece of butter (size of walnut), vanilla essence and 1/4 c milk.
Put in saucepan and boil, stirring all the time. When cold, join cakes with it. Ice cake with white icing and chopped almonds.