Caramel butter cake

Name: Caramel butter cake
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: World Cuisine
Ingredients: 250g butter, softened, chopped; 1 cup (220g) dark brown sugar; 3 Coles Australian Free Range Eggs, at room temperature; 2 cups (300g) self-raising flour; 1/2 cup (125ml) milk; Salted caramel topping, to serve; 125g butter, softened; 11/2 cups (240g) icing sugar mixture; 2 tablespoons salted caramel topping