Next Video: How to Make Blueberry-Lemon Poppy Seed Bundt Cake Video Cancel View Recipe: Classic Mixed Berry Dump Cake This feature is not available with your current cookie settings. You can update your privacy settings to enable this content. Please enable all cookies to use this feature. How to Make Classic Mixed Berry Dump Cake Video View Recipe: Classic Mixed Berry Dump Cake Bursting with fresh blueberries and raspberries and brightened with lemon juice, this traditional dump cake will become a summer staple. Cake Recipes By Betty Crocker