INGREDIENTS
1 stick
unsalted butter
1 1/2 cups
dark brown sugar
1 1/2 tsp
vanilla extract
1/2 tsp
fine sea salt
2
large eggs + 1 large egg yolk
1 1/2 cups
all-purpose flour
3/4 tsp
baking powder
!For the frosting:
6 tbsp
unsalted butter
3/4 cup
powdered sugar
1 cup
robin egg candies, crushed