Preheat oven to 350°. Line a 9x9” baking dish with foil and spray with cooking spray.
In large bowl, whisk together pumpkin, Greek yogurt, milk and ID Pumpkin Spice Iced Coffee until no lumps remain.
Whisk in sugar, baking powder, salt, and pumpkin pie spice.
Gradually stir in flour - batter will be thick. Pour into prepared pan.
In medium bowl, mix together
Make the crumb topping by adding flour, brown sugar, and pumpkin pie spice to a medium bowl. Mix in cold butter with a fork or fingers to create crumbs and clumps.
Sprinkle evenly over cake batter.
Bake for 25-30 minutes or until a toothpick inserted comes out clean.
Once the cake has cooled completely, whisk the confectioners sugar and ID Pumpkin Pie Spice Iced Coffee together until smooth. Drizzle glaze over cake.
Cut into squares and enjoy!