Famous Byron Bay Chocolate Chip Cookies (crunchy 2 weeks!)

Ingredients
Cups
Metric
▢175g / 12 1/2 tbsp unsalted butter , softened (6.2 oz, Note 1 – softening tip!)
▢1/3 cup brown sugar (light or normal, not dark)
▢1/3 cup white sugar , caster / superfine
▢1/8 tsp salt
▢2 egg yolks , at room temperature (Note 6 for using leftover whites)
▢2 tsp vanilla extract/essence
▢1/2 tsp baking powder
▢1/2 cup rice flour (sub with plain/all purpose flour, Note 2)
▢1 1/2 cups flour , plain/all purpose
▢200g / 7 oz dark or semi-sweet chocolate block , chopped into pretty small pieces (Note 3)

Instructions
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