Step 1

Pre-heat oven to 180C / 350F. Line a muffin tray with cupcake liners.

Step 2

Add apple to the Thermomix bowl. Chop for 3 seconds / speed Set aside.

Step 3

Add butter to the bowl. Melt for 2 minutes / 60 degrees / speed 2.

Step 4

Add the milk, eggs, vanilla extract, sugar, apple, flour, baking powder, cinnamon and salt. Mix for 30 seconds / speed 4.

Step 5

Use a cookie / ice-cream scoop to divide mixture equally between the prepared muffin cases.

Step 6

Bake in the oven for 20 minutes, or until a skewer comes away clean when inserted into the middle of a muffin.

Step 7

Allow to cool for a couple of minutes before transferring to a cooling rack.

Step 8

Add the butter to the Thermomix and melt for 2 minutes / 60 degrees / speed 2.

Step 9

Mix the sugar and cinnamon in a bowl.

Step 10

While the muffins are still warm from the oven, use a pastry brush to brush the tops with a little melted butter and then sprinkle over the cinnamon/sugar mixture.