Step 1

Preheat oven to 210 degrees Celsius (fan-forced).

Step 2

Lightly grease a 20cm round cake tin and set aside.

Step 3

Place the cold butter and self-raising flour into the Thermomix bowl.

Step 4

Mix for 10 seconds, Speed Scrape down the sides of the bowl and repeat 2 more times.

Step 5

Knead for 1 minute, Kneading Function, whilst pouring in the milk through the measuring cup (MC) hole.

Step 6

On a lightly floured kitchen bench or Thermomat, roll the dough out into a 5mm thick rectangle.

Step 7

Place the room temperature butter, brown sugar and cinnamon into the Thermomix bowl.

Step 8

Mix for 20 seconds, Speed Scrape down the sides of the bowl and repeat.

Step 9

Spread the cinnamon butter mixture onto the dough.

Step 10

Sprinkle over the chopped apple.

Step 11

Roll the dough up into a tube (lengthways).

Step 12

Use a sharp knife to cut the roll into 8-10 pieces.

Step 13

Place the pieces cut side up into the prepared cake tin (allow the rolls to touch one another as this will help them to rise).

Step 14

Bake for 15 minutes or until golden brown.

Step 15

Allow to cool slightly in the tin.

Step 16

Place the icing sugar and 2 tbs hot water into the Thermomix bowl.

Step 17

Mix for 10 seconds, Speed 6 . Scrape down the bowl and repeat 2 more times.

Step 18

If the mixture is slightly runny, use a spoon to drizzle it over the buns.

Step 19

If the mixture is still too thick, add another tablespoon of hot water and mix for a further 10 seconds.

Step 20

Serve warm or cold.