01 -
Get your oven going at 350°F (175°C).
02 -
Combine flour, dark sugar, and room temp butter till it's crumbly. Push mixture into your 13x9 inch pan without greasing.
03 -
Heat up butter with dark sugar until it starts bubbling, then keep stirring another half minute to minute for thickness.
04 -
Put pecans on the base, then pour your hot caramel mixture over them.
05 -
Pop in oven for about 18-20 mins until it's bubbling and the edges turn golden.
06 -
Scatter chocolate chunks on top while it's hot, wait 2-3 mins for melting, then swirl around.
07 -
Let it cool for half an hour, then slice into 48 pieces, wiping your knife clean between cuts.