This cake is light, airy, and super refreshing with a lovely presentation, not to mention super easy to make. Try using different fruits or berries or different flavored gelatin, such as raspberry.

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Recipe Summary

prep:
10 mins
cook:
50 mins
additional:
30 mins
total:
1 hr 30 mins
Servings:
12
Yield:
1 9x13-inch cake
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Ingredients

12
Original recipe yields 12 servings
The ingredient list now reflects the servings specified
Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking pan.

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  • Combine cake mix, water, eggs, and vegetable oil in a large bowl; mix until moistened. Beat with an electric mixer on medium speed until batter is smooth, about 2 minutes.

  • Spread blueberries in the bottom of the baking pan. Layer sugar, gelatin, and marshmallows on top. Pour cake mix evenly over marshmallows and smooth the top.

  • Bake in the preheated oven until a toothpick inserted in the center of the cake comes out clean, 50 to 55 minutes. Transfer baking pan to a wire rack and let cool, about 30 minutes. Serve cake with whipped topping.

Editor's Note:

The directions for making the cake are based on the particular brand mentioned. Follow instructions on box if using a different brand.

Nutrition Facts

455 calories; protein 4.3g 9% DV; carbohydrates 71.4g 23% DV; fat 17.6g 27% DV; cholesterol 46.5mg 16% DV; sodium 294.4mg 12% DV. Full Nutrition

Reviews (16)

Read More Reviews

Most helpful positive review

Rating: 5 stars
02/26/2016
Just made this again with fresh strawberries and strawberry jello and I can't decide if I like the blueberry or the strawberry better. Equally delicious! Read More
(12)

Most helpful critical review

Rating: 3 stars
09/13/2019
Very easy to make & it came out great. But we didn't eat it right away, so it should have been refrigerated!!!! After about 2 hours, the cake melted into the blueberries. Tasted okay, but presentation was a disaster. Read More
17 Ratings
  • 5 star values: 11
  • 4 star values: 4
  • 3 star values: 2
  • 2 star values: 0
  • 1 star values: 0
Rating: 5 stars
02/25/2016
Just made this again with fresh strawberries and strawberry jello and I can't decide if I like the blueberry or the strawberry better. Equally delicious! Read More
(12)
Rating: 5 stars
09/05/2016
This was a definite hit I did follow a suggestion and cut back on the sugar. I also used brown sugar instead of white with some cinnamon added ( I love cinnamon) My blueberries were frozen so I mixed just a bit of flour with the sugar. The Jello and cake mix I used were lemon and they went very well. I would deffinitely use this again. Read More
(5)
Rating: 5 stars
08/02/2017
I served this deelicious morsel at a formal tea. It was an instant favourite!! The refreshing whipped topping the cake centre and heavily flavoured blueberries at the bottom were perfect foils for flavour fencing on the tongue. Everyone's dishes came back well cleaned. I did add a bit more sugar to the blueberries as I wasn't positive about their natural sweetness. In all a worthy dish which I shall add to my repertoire! Read More
(3)
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Rating: 5 stars
01/10/2017
This was really good and my family loved it. I took the advice of other reviewers and used 1/2 cup sugar. I didn't have strawberry jello so I used lemon instead. It was good. No one knew marshmallows were in it either. I will make this again which to me is the result of 100% success with a recipe. Thanks for sharing. Read More
(3)
Rating: 4 stars
06/16/2016
Go by baking time on cake box not in recipe directions. Cake was completely over baked at 40 mins. Not sure why directions say 50-55 mins. It was good even though it was dry. Did not notice the marshmallows in the cake. Maybe that was because it was over baked. Recipe calls for a cup of sugar. I used a half cup of coconut sugar because I had some to use up. I could not imagine using a full up of sugar along with the jello. Next time I will not use the sugar when using in season blueberries and adjust baking time. Read More
(3)
Rating: 5 stars
07/24/2016
I had a lot of blueberries that needed to be used up and what better way than in a delicious cake for the family. I made this two days ago and there is one slice left for our granddaughter. The kids loved it with whipped cream and also enjoyed it warm with ice cream. I will definitely make this again and will try different fruits!! I used a yellow cake mix and also used black cherry jello in the recipe. This will be a fun recipe to play around with as there are many cake mixes and jello flavors for an unlimited combination. Milton Chasse Read More
(2)
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Rating: 5 stars
09/09/2019
This was delicious! I did cut the sugar to a 1/2 cup as a couple people stated it was to much. I believe it could be cut to 1/4 cup with no worries. I will make it again; maybe even experiment with other jello/fruit combos. To answer reviewer Fatima, just mix the box of jello with your sugar, no water. I will admit I had to think about that too! Thanks for the great recipe! Read More
Rating: 5 stars
09/27/2019
This cake was delicious. I used a lot less sugar as well only 1/4 cup. Read More
Rating: 3 stars
09/12/2019
Very easy to make & it came out great. But we didn't eat it right away, so it should have been refrigerated!!!! After about 2 hours, the cake melted into the blueberries. Tasted okay, but presentation was a disaster. Read More