After Eight Brownies with Fondant and Chocolate Ganache

Name: After Eight Brownies with Fondant and Chocolate Ganache
Cuisine: American
Ingredients: 100g (3½ oz) milk chocolate; 6 (approx. 50g / 1¾oz) After Eight mints (see note 1); 150g (⅔ cup) butter; 75ml (5 tbs) milk; 90g (½ cup) brown sugar; 90g (½ cup) white sugar; 2 eggs (medium); 1 tsp vanilla; 60g (½ cup) spelt flour (see note 2); 25g (3¼ tbs) cocoa; 16 (approx. 140g / 5oz) After Eight mints (frozen); 2 tbsp milk; 100-150g (2-2½ cups) icing / confectioners' / powdered sugar; 75g (2½ oz) milk chocolate; 75g (2½ oz) dark chocolate; 100ml (6¾ tbs) whipping cream (see note 3)