Preheat oven to 350° F. Spray a 9 x 13-inch baking dish with cooking spray; set aside.
Whisk flour, baking powder, salt, cinnamon, and pumpkin spice together and set aside.
In a large bowl, cream white granulated Pioneer Sugar and butter until combined. Add eggs, vanilla, and pumpkin and stir until smooth. Add dry mixture in thirds, alternating with buttermilk. Mix until all combined and smooth. Spread into prepared pan evenly.
Mix cream cheese, white granulated Pioneer Sugar, egg and vanilla until smooth. Pour over cake mixture.
Place maple cookies in a food processor or high powered blender until completely crushed. Dump into a bowl and add flour, Pioneer Golden Light Brown Sugar, maple syrup and butter. Mix with hands until well combined. Carefully sprinkle on top of cheese mixture.
Bake for 60-70 minutes or until lightly brown and toothpick comes out clean.
Once the cake is fully cooled, mix glaze ingredients and drizzle over coffeecake.
Pioneer Sugar is the brand of Michigan Sugar Company, a cooperative owned by nearly 900 farmers from Michigan and Ontario, Canada. The company has been extracting pure, all-natural sugar from sugarbeets since 1906. We are proud of our past and excited about our future. Learn more about our company at www.michigansugar.com.