walnut layer cake

150 grammes milk
1/2 kilo flour
1 teaspoonful bicarbonate soda
125 grammes chocolate
125 grammes lard or butter
285 grammes caster sugar
3 eggs
2 teaspoonful vanilla essence
150 grammes sweet milk.

boil sweet milk and pour onto chocolate, return to pan, stir until smooth or cool. cream fat and sugar and add 3 yolks beating well. sift flour and soda add it and sour milk alternately to the creamed fat and sugar, beating. add chocolate & essence. Beat well and fold into stiffly beaten whites very lightly. Pour into greased sandwich tins. bake 20 to 60 min, and with cold spread with walnut filling.