Mini Sour Cream Chocolate Cakes

INGREDIENTS

Chocolate Cake:

1 cup

and 1 tablespoon (250 grams) unsalted butter, room temperature

1 cup

caster sugar

3/4 cup

brown sugar

2 tsp

vanilla extract

large eggs, room temperature

1/2 cup

hot water

and 3/4 cup (245 grams) plain flour

3/4 cup

cocoa powder

1 tsp

baking powder

1 tsp

baking soda

1 cup

sour cream, room temperature

Chocolate frosting:

1/2 cup

or 115 grams) unsalted butter, room temperature

3 cups

powdered or icing sugar

2 tbsp

milk

2/3 cup

semi-sweet or dark chocolate, pieces

Extra chocolate shavings for decorating