01 -
1/2 cup butter, softened.
02 -
1/2 cup brown sugar.
03 -
1/4 cup granulated sugar.
04 -
1 egg, room temperature.
05 -
1 teaspoon vanilla extract.
06 -
1 1/2 cups all-purpose flour.
07 -
2 teaspoons baking powder.
08 -
1/2 teaspoon salt.
09 -
1 cup fresh blueberries.
10 -
1/3 cup blueberry jam.
11 -
For Streusel: 1/3 cup flour.
12 -
For Streusel: 1/3 cup brown sugar.
13 -
For Streusel: 1/4 cup cold butter.
14 -
For Streusel: 1 teaspoon cinnamon.
15 -
For Streusel: 1/4 teaspoon salt.