Incredible Blueberry Pancake Mix Bundt Cake Ideas. Web preheat the oven to 350 degrees f, grease and flour a bundt pan. Buttermilk buttermilk introduces tanginess and tenderizes the cake.

Blueberries blueberries infuse both flavor and vibrant color. Buttermilk buttermilk introduces tanginess and tenderizes the cake. But if you’re using frozen, do not thaw them!