Blueberry Crunch Dump Cake

by Alli

Blueberry Crunch Dump Cake has a bottom layer of crushed pineapple and fresh, sugared blueberries. A yellow cake mix is poured over the fruit and topped with melted butter, pecans, and a sprinkling of sugar. This is the perfect summertime dessert! 

Summer means blueberry season here in South Carolina. I love to pick blueberries and make this Blueberry Crunch Dump Cake.

This dump cake is such an easy dessert to make and is perfect for Sunday dessert. I like to serve this cake warm with big scoops of vanilla ice cream. Dump cakes are not that pretty but they sure do taste good. It’s the sugar and nuts on top that add the crunch factor. 

Blueberry Crunch Dump Cake with blue serving spoon

Ingredients for Blueberry Crunch Dump Cake 

(You can find the full recipe card at the end of this post.)

To make Blueberry Crunch Dump Cake, you’ll need the following ingredients:

  • Crushed pineapple
  • Blueberries (fresh is best but you can use frozen)
  • Granulated sugar
  • Yellow Cake Mix
  • Butter
  • Chopped pecans

What’s A Dump Cake?

A dump cake reminds me of a cobbler. It’s made by dumping fruit into a baking pan, pouring a cake mix on top and drizzling with butter and topping with nuts. A dump cake is an easy dessert to make that tastes so much better than it sounds.

I’ve also made dump cakes with cherry pie filling and pineapple. If blueberries are not your thing, try the cherry pie filling instead of the blueberries.

How To Make Blueberry Crunch Dump Cake

Spread crushed pineapple (juice included) in a lightly greased 9×13 baking pan. 

Pineapple Layer - Blueberry Crunch Dump Cake

Add the fresh blueberries.

Fresh blueberries layered over crushed pineapple in 9x13 pan

Sprinkle granulated sugar over the blueberries.

Granulated Sugar sprinkled over fresh blueberries in 13x9 baking dish

Pour the dry cake mix evenly over the sugared blueberries.

Blueberry Crunch Dump Cake - Dry Cake Mix poured over blueberries

Drizzle melted butter over the cake mix.

Melted Butter drizzled over cake mix in 9x13 pan

Add the nuts (I always use pecans) and sprinkle with granulated sugar.

Pecans and granulated sugar sprinkled on top of cake mix in baking pan - Blueberry Crunch Dump Cake

Bake at 350º for 40-45 minutes or until golden brown.

Blueberry Crunch Dump Cake in baking pan After Baking

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Yield: 16 servings

Blueberry Crunch Dump Cake

Close Up View of Blueberry Crunch Dessert

Blueberry Crunch Dump Cake is an easy dessert with fresh blueberries, crushed pineapple, and pecans.

Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes


  • 1 (20 oz.) can crushed pineapple
  • 3 cups blueberries
  • 3/4 cup granulated sugar
  • 1 box yellow cake mix


  • 1/2 cup butter, melted
  • 1 cup chopped pecans
  • 1/4 cup granulated sugar


  1. Preheat oven to 350º F.
  2. Lightly grease a 9x13 baking ban with cooking spray.
  3. Spread undrained pineapple in the bottom of the pan. Sprinkle blueberries over pineapple. Sprinkle 3/4 cup of sugar over the blueberries. Spread dry cake mix evenly over the sugar.
  4. Drizzle melted butter over the cake mix. Top with nuts and 1/4 cup sugar.
  5. Bake for approximately 40-45 minutes or until the top is golden brown.

Nutrition Information



Serving Size


Amount Per Serving Calories 294Total Fat 12gSaturated Fat 5gTrans Fat 0gUnsaturated Fat 6gCholesterol 15mgSodium 285mgCarbohydrates 47gFiber 2gSugar 32gProtein 2g

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