Chocolate cake

This is the recipe Mark always uses when making chocolate birthday cakes.
Anneka Manning "Good Food" p50

1/2 cup cocoa powder
1/2 cup boiling water
125g butter, at room temp
1 1/2 cups caster sugar
1 tsp vanilla essence
3 eggs
1 cup SR flour
1/4 cup plain flour

Preheat oven to 180. Grease 22cm pan

Sift cocoa into bowl. Add almost all water to form smooth, thick paste. Stir in in remaining water. Set aside.
Cream butter, sugar and vanilla. Add eggs one at a time.
Sift together flours. Use large metal spoon to fold flours to butters alternatively with cocoa.

Put in pan and make 45min.