Deep Chocolate Sour Cream Pound Cake

1 1/2 cups all purpose flour
1/2 cup cake flour
1 cup Dutch processed cocoa powder
2 1/4 tsp baking powder
1/2 tsp salt
1 1/2 cups unsalted butter, softened
2 1/2 cups caster sugar (I used 1 3/4 cups)
4 large eggs
2 tsp vanilla
1 cup sour cream

Chocolate Glaze:
1 cup whipping cream
1 cup choc chips or 250g dark semi sweet chocolate (chopped)
Boil whipping cream, take off heat and add in chocolate. Let it stand until melted, stir to smooth.