INGREDIENTS
6 tbsp
Kerrygold salted butter (in the gold package!)
1/4 cup
dark brown sugar
3 tbsp
granulated sugar
1
large egg yolk
1/2
of a vanilla bean, sliced open and scraped
1/2 cup
+ 2 tablespoons all-purpose flour
1/4 tsp
fine sea salt
1
heaping teaspoon instant espresso powder
1/4 tsp
baking soda
1/4 tsp
baking powder
1/3 cup
semisweet chocolate chips