01 -
1/3 cup chilled butter, diced (for streusel).
02 -
1 cup ripe blueberries, fresh.
03 -
1 1/2 cups plain flour (for cookies).
04 -
1/2 cup unsalted butter, room temp (for cookies).
05 -
1/3 cup brown sugar (for topping).
06 -
1 tsp ground cinnamon.
07 -
1/4 tsp salt (used in streusel).
08 -
1/4 cup white sugar.
09 -
1/3 cup jam, blueberry flavor.
10 -
1 tsp pure vanilla.
11 -
1/2 cup soft brown sugar (used in cookies).
12 -
1/4 tsp salt (used in cookies).
13 -
2 tsp baking powder.
14 -
1 whole egg at room temp.
15 -
1/3 cup regular flour (for the topping).