- STEP 1
Preheat the oven to 190°C/Gas Mark 4. Grease and line a 18cm square cake tin.
- STEP 2
Place the dates in a small saucepan with the boiling water and bicarbonate of soda. Heat gently for 5 minutes, without boiling, until the prunes are soft.
- STEP 3
Place the butter and sugar in a bowl and beat together until light and fluffy. Beat in the egg, vanilla extract and prunes. Sift in the flour and fold in to the mixture. Pour into the cake tin.
- STEP 4
Bake in a preheated oven for 35-40 minutes. To make the toffee sauce, place the brown sugar, butter and milk in a saucepan and heat gently until dissolved. Then simmer for 2 minutes.
- STEP 5
Pour the toffee sauce over the cake and let cool. The cut into squares and devour!