Blueberry Cake by Austin Covrig 🌍 public Ingredients ×½ ×1 ×2 ×3 4 Blueberry Pie Filling 2 Yellow Cake 4 Butter Utensils 1 × crockpot Directions 1 Pour pie filling in bottom of crockpot 71 Cover filling with cake mix 72 Place sticks of butter on top 73 Cook on high for 3hr