INGREDIENTS
1/2 cup
unsalted butter
1 cup
light brown sugar (packed)
1
large egg
1 tbsp
vanilla extract
1 cup
all-purpose flour
1 tsp
cinnamon
1/4 tsp
kosher salt
1/2 cup
fresh blueberries
3/4 cup
all-purpose flour
1/4 cup
light brown sugar
1/2 tsp
baking powder
4 tbsp
unsalted butter, melted