Method
1. Pre-heat oven - 180°C
2. Line a clean cake tin with parchment paper
3. Add all purpose flour and unsalted butter to a clean food processor bowl
4. Pulse until crumbs form
5. Add golden caster sugar and salt to the food processor bowl
6. Pulse until combined
7. Transfer content of food processor bowl to cake tin
8. Spread evenly
9. Bake - 30 min, 180°C
10. Let cool
11. Add unsalted butter, condensed milk, golden syrup and salt to a clean saucepan
12. Cook until melted while stirring occasionally - low heat
13. Cook until golden brown and continue mixing - 7 min, medium heat
14. Let cool - 5 min
15. Transfer content of saucepan to cake tin
16. Let cool completely
17. Melt milk chocolate a clean heatproof bowl
18. Transfer content of heatproof bowl to cake tin
19. Sprinkle with hazelnuts
20. Let cool completely
21. Cut into squares