Method
1. Line a clean baking sheet with parchment paper
2. Add unsalted butter, brown sugar and granulated sugar to the TM5 bowl
3. Insert the Butterfly whisk, beat for 1 min/speed 3, with the measuring cup off
4. Scrape down sides of TM5 bowl
5. Repeat this step twice, scraping down the bowl in between so, all the mixture is incorporated and is nice and fluffy
6. Add egg and vanilla extract to the TM5 bowl
7. Mix - 10 sec, speed 3
8. Scrape down sides of TM5 bowl
9. Beat again for 10 sec/speed 3 until combined
10. Scrape down sides of TM5 bowl
11. Add plain flour, bicarbonate of soda and salt to the TM5 bowl
12. Knead for 50 sec/knead function until combined
13. Scrape down sides of TM5 bowl
14. Stir in the chocolate chips with a spatular or wooden spoon, reserving a couple to insert into each one just before baking
15. Refrigerate the mixture in the bowl for approximately 1 hour
16. Preheat the oven to 160°C fan / 180°C, 10-20 minutes before the hour is up
17. Scoop the chilled mixture out and roll into walnut-sized balls and place on the baking tray, press down slightly with the palm of your hand
18. Insert 2-3 chocolate chips into each one
19. Bake in the oven for 10-14 minutes until the edges start to harden
20. Take them out of the oven and leave on the baking tray to cool for 10 minutes
21. Cool completely onto cooling rack