The 9×13 Life: Blueberry Cake with Crispy Sugar Streusel

9x13 life bcp

Hot, fresh, and light. You’ve got enough energy to whip up this summery and fluffy Blueberry Cake.

I think it’s about time we owed you all another 9×13 cake recipe, no? It’s almost a year since we gave you this 9×13 Chocolate Bar Ice Cream and it’s two years since this 9×13 S’Mores Frozen Dessert. Both are great summer picks. But we were thinking, for this summer, to go with something that would be warm and welcome for breaking the fast…something light and fluffy.

And blueberry.

With lots of streusel (sorry that we’re making you take out the extra bowl). 

It’s a problem, these 9×13 cakes. They’re so good and so easy, we’ve forgotten about all our long lost favorite cakes.

There used to be cakes that entailed creaming margarine or melting chocolate…cakes that needed ingredients to be blended or whipped first.

You know the drill. This one gets the dry ingredients, followed by the wet ingredients.

In a 9×13, combine dry ingredients.

In a separate bowl, whisk together oil and eggs, and add to dry mixture.

Add milk,

and mix

to combine.

Then comes our blueberries. Can you sub blueberries? I’m not sure. They add moistness which I find is lacking when the mix-in is not a fruit. Blueberries are not your family’s thing? Maybe try this 9×13 Cinnamon Swirl Crumb Bake. 

Gently fold in blueberries.

We used frozen blueberries. This is both for convenience and because you can buy frozen blueberries with your desired hechsher. Saves a step. If you noticed that our batter isn’t turning blue, then you must have missed this key blueberry hack yesterday.

This is a great streusel match for this cake (thank you Esti for perfecting this one). Because the sugar/flour ratio is not equal, but rather there’s more sugar, it’s a little crispier, making it a great contrast to a very fluffy cake.

Enjoy!

Print Recipe
5 from 4 votes

Blueberry Cake with Crispy Sugary Streusel

Ingredients

  • 3 cups flour
  • 2 tsp baking powder
  • pinch salt
  • ¾ cup sugar
  • ¾ cup brown sugar
  • 2 tsp cinnamon
  • cup oil
  • 2 eggs
  • cup milk or soy milk
  • 2 tsp vanilla extract
  • cups frozen blueberries

Crumbs

  • cup sugar
  • ¼ cup flour
  • 1 tbsp vanilla sugar
  • 3 tbsp butter or margarine, at room temperature

Instructions

  • Preheat oven to 350°F.
  • In a 9×13, combine dry ingredients. In a separate bowl, whisk together oil, eggs, milk, and vanilla extract. Add to dry mixture, and mix to combine. Gently fold in blueberries.
  • Meanwhile, knead crumb ingredients together in a bowl until crumbs form. Sprinkle on top of batter.
  • Bake for 35-40 minutes.
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Victoria Dwek

Victoria is the best-selling author of nine kosher cookbooks and a popular columnist for Ami Magazine. She always has the words for bringing everything that’s in our hearts onto the page. 

36 responses to “The 9×13 Life: Blueberry Cake with Crispy Sugar Streusel”

  1. Shani Avatar
    Shani

    looks delicious! Do you think the cake will still be tasty without the crumbs?

  2. Leah Avatar
    Leah

    Where did you find frozen blueberries? There haven’t been blueberries in the stores for months. excluding dole. (Lakewood)

  3. cr Avatar
    cr

    they are a problem now they have to be blended to eat them.

    1. Leah Avatar
      Leah

      Yes, I’ve heard there’s an infestation problem with blueberries now, which is why there are no frozen blueberries with a heimishe hechsher to be found.

  4. RL Avatar
    RL

    Can’t Wait to try this!
    I absolutely love blueberries In everything, but it’s just me. My husband and most kids won’t touch it.
    Does the cake freeze well?

  5. Devorah Avatar
    Devorah

    Can I make this with whole wheat flour?

  6. D Avatar
    D

    This is absolutely delicious. The crumb mixture is so good. I would not make it without it. I made it in two 9 inch rounds and it came out perfect.

  7.  Avatar
    Anonymous

    This cake is so my style so i trued it today The batter was very heavy .. and so the cake didn’t come out light and fluffy. I feel like i may have done something wrong. Any ideas ?

  8. Msl Avatar
    Msl

    Mine was also heavy I don’t know but still delicious! I used oil in the crumbs was still good

  9. Rachelli Avatar
    Rachelli

    How does the cake not stick to the pan if no baking parchment/ spray oil first?

    1. Msl Avatar
      Msl

      All bcp 9×13 recipes I spray the pan well with Pam first before adding ing

      1. Rachelli 86 Avatar
        Rachelli 86

        Thanks!

  10. Dasi Avatar
    Dasi

    The crumb mixture didn’t make crumbs, I got more like a creamed margarine and sugar mixture. Not sure what I did wrong there…

  11. Miriam Avatar
    Miriam

    I bought blueberries to make this recipe and only noticed today that it has a note that it can only be used when blended. Which blueberries are you all using? With a hechsher and no infestation?

  12. Shoshana Avatar
    Shoshana

    I made this and subbed gluten free flour blend. Came out delicious!!! Thank you

  13. Rachelli 86 Avatar
    Rachelli 86

    I made this yesterday for motzei taanis. Added a bit more milk, about a full cup instead of 2/3 bc it was very thick. It was insanely delicous!! Tysm bcp for this recipe! So easy and tastes gourmet.this is definitely becoming a shabbos staple for us

  14. Rachel Rosin Avatar
    Rachel Rosin

    Am going to try this tomorrow.
    I bought dried blue berries and will try and report back.

  15. KR Avatar
    KR

    I make this cake but much simpler.
    Prepared duncan hinez yellow cake plus a can of blueberry pie filling. Its amazing and so moist. Add the streusel topping halfway through baking(takes longer than box time).Equal parts flour and sugar plus a drizzle of oil till crumbly.

  16. Rachel Rosin Avatar
    Rachel Rosin

    I used dried blueberries(Trader Joe’s) the same concept as raisins..
    They worked perfectly and was just as delicious!!!
    Ya I felt the batter was more on the stif side but still great and delicious.

  17. Gitty Avatar
    Gitty

    Can you make this pareve?

    1. Victoria Dwek Avatar
      Victoria Dwek

      It is pareve.

  18. Sarah Avatar
    Sarah

    Hi,
    Can someone on bcp answer about the blueberries please?

    1. Victoria Dwek Avatar
      Victoria Dwek

      What is the question?
      Use the blueberries with the hechsher that is to your personal standards.
      Whether you use Dole, wash and check fresh ones, or will wait until the heimishe hechsher blueberries are available again, or one of the sub suggested above, you can do what works for you.
      I don’t think anyone realized the frozen blueberries (other than Dole) are not currently on the market.

  19. Tehilla Avatar
    Tehilla

    5 stars
    This recipe is a winner and tastes delicious with a cup of coffee! The first time i made it, the batter was more like a dough and was very thick and unmanageable but i added some more almond milk to loosen it up and it was fine. BUT the second time I made it in a mixing bowl, the batter was looser! Not sure if that made a difference or what I did wrong the first time. Both times the cake was great! Thank you for another great recipe!

  20. Leah Avatar
    Leah

    I made it by hand and added a bit more water and the batter was thick and heavy did not come out good.

  21. Tamara Avatar
    Tamara

    I used whole wheat flour for the crumbs and subbed cinnamon and nutmeg for the vanilla sugar. Loved it.

    1. Victoria Dwek Avatar
      Victoria Dwek

      Thanks for sharing!

  22. TR Avatar
    TR

    Will any pareve milk work with this?

    1. Victoria Dwek Avatar
      Victoria Dwek

      I imagine so. I’ve only tried soy, maybe oat.

  23. Cayla Avatar
    Cayla

    How can i make this recipe into muffins? would it all be the same except to adjust baking time?

  24. Anonymous Avatar
    Anonymous

    Our favorite blueberry muffin recipe (from this site) in cake form! Smart!

  25. Anonymous Avatar
    Anonymous

    5 stars
    For those of us who like the blueberry flavor but not the tartness of cooked blueberries, I have used about 1/2 to 3/4 of a (21oz) can of blueberry pie filling. It came out delicious

  26. Tom Avatar
    Tom

    5 stars
    Tried this recipe and the results were awesome BUT I did make a few adjustments to the ingredients based on reviews: added 1 tsp of baking soda, added 1 more egg, used 1 cup of almond milk and added 1 tbsp of lemon juice, used fresh blueberries, omitted vanilla suaar in the streusel and baked it for 45 mins = perfection

  27. Tessa Avatar
    Tessa

    Looks delicious!
    Does this dessert need to be kept in the fridge after baking?
    How long does it last in/out if the fridge?
    Thanks!

    1. Victoria Dwek Avatar
      Victoria Dwek

      No, not the fridge! It should be kept at room temperature or frozen.

  28. toby Avatar
    toby

    5 stars
    just had for after the fast. It was great!

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