Preheat oven to 350 degrees and prepare 2 cookie sheets lined with silpat or parchment paper. Set oven rack to center of oven.
In the bowl of a stand mixer fitted with paddle attachment (or handheld mixer) combine your room temperature butter and brown sugar. Mix on medium-high speed for 3-4 minutes or until combined.
Add your egg and egg yolk and mix for another 1 minute
With your mixer on low, add Krusteaz Buttermilk Pancake mix, cardamom, and salt. Slowly mix on low until just combined
Finally, add dried blueberries and mix to combine.
Bake one tray at a time in center of oven for 12-14 minutes until golden brown and beginning to crackle. Remove from oven and let cool on cooling rack. Repeat with remaining dough.
Store cookies in airtight container for 4-5 days.