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    Home » Pie & Fruit Cakes

    Vegan Blackberry Poppy Seed Crumb Cake

    Modified: Jan 28, 2026 by Jasmin Hackmann · This post may contain affiliate links*. As an Amazon Associate I earn from qualifying purchases.

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    Everyone who loves crumbles should try this healthy version of a classic crumble cake with a wholemeal shortcrust pastry.

    It is made from whole grain and nut butter, an addictive poppy seed semolina filling, refreshingly sweet blackberries and covered with cinnamon nut crumble.

    Vegan crumb cake with blackberries and poppy seeds

    As an Amazon Associate, I earn from qualifying purchases. This post may contain affiliate links. Read More

    Classic crumbles are made with flour, butter and sugar. The crumbles are made without oil, butter or the like and taste just as good if not better than the original.

    This healthy vegan and wfpb version is prepared with nutmeg, whole wheat flour, and sugar alternatives such as maple syrup.

    A simple but special recipe that goes perfectly with brunch, dessert, and with coffee and cake.

    Prepare this vegan blackberry crumble with a poppy seed filling in no time at all.

    Here I want to show you not only how to bake the recipe, but also alternative options that you may be able to replace due to intolerances.

    Are Crumb Cake and Coffee Cake the same?

    Both cakes look similar. The two cakes have a cake bottom and crumbs on top.

    The main difference between a crumb cake and a coffee cake is that a crumb cake has much more crumbs than a coffee cake.

    And the coffee cake has more of a cake bottom than the crumb cake and less streusel.

    What is the difference between streusel and crumb?

    Actually there is no difference between both. Streusel is the German word for crumbs and the Americans adopt the word Streusel in their vocabulary.

    Is crumb cake german?

    Crumb Cake, or known as Streuselkuchen in Germany, is a German specialty.

    The first crumb cake is known from Silesia (Schlesien) which is a historical region located in Poland, Czechia and Germany.

    Vegan crumb cake with blackberries and poppy seeds

    Now let's take a look at how to make vegan crumble cake with blackberries and poppy seeds. As well as possible replacement products.

    Ingredients

    Before we go into more detail, I would like to give you a brief overview of the ingredients that are included in this delicious crumb cake.

    The exact amount can be found below in the recipe card.

    Dough:

    Almond Butter

    Water

    Coconut Blossom Sugar (or other sweetener)

    White Whole Wheat Flour or gluten-free flour mixture

    Almond Flour (ground almonds)

    Almond Milk

    Poppy Seed Filling:

    Almond Milk

    Coconut Sugar

    Zest of a Lemon

    Poppy

    Durum Wheat Semolina

    Lemon Juice

    Food Starch

    Topping:

    Blackberries

    Crumbs:

    Hazelnut or Almond Flour

    White Whole Wheat Flour

    Almond Butter

    Water

    Coconut Sugar

    Cinnamon

    Almond Milk Substitute

    Do you have another vegan milk at home, e.g. oat milk, soy milk? Then of course you can also use this milk alternative.

    I mostly use almond milk because it is tasteless.

    Sugar Alternative

    If you don't want to resort to a sugar alternative and you'd prefer to naturally sweeten, you can quickly make date puree as a sugar substitute. Here you can replace it 1:1.

    Gluten-free Alternative

    You can also prepare this cake in gluten-free, simply use a gluten-free flour mixture instead of white whole wheat flour.

    You could also try replacing it with oat flour. Here, of course, only if you don't mind the taste of oats in cakes.

    To make the poppy seed filling gluten-free, you can use polenta instead of semolina. Polenta is made from corn and is therefore gluten-free.

    Almond Butter Substitute

    Do you have another nut butter at home and want to use it? Then you can use cashew butter or any other butter.

    If you want to make it nut-free, then you can confidently fall back on tahini or sunflower butter.

    Almond Flour Substitute

    If you don't want to use almonds, you can also use ground seeds that are high in fat.

    E.g. sunflower seeds or pumpkin seeds are very suitable for this. To do this, simply grind the seeds into a fine flour in a high-performance mixer.

    If you have any further questions regarding the ingredients or the preparation or maybe you have some tips, then I look forward to reading from you in the comments below.  I always look forward to learning new things. 

    Instruction

    Preparing the vegan version of a crumble cake is not much different from the traditional one.

    Instead of butter, we use nut or seed butter for the shortcrust pastry. 

    We also use whole grain flour e.g. spelt or wheat. And it is processed into a delicious short pastry. For the poppy seed filling, we prepare a semolina porridge and add this poppy seed. 

    The blackberries are easily distributed on the cake, which makes the vegan sprinkles so beautifully juicy.

    We prepare the crumbles from whole white wheat flour and ground nuts, which you would like to snack on raw while preparing.

    That is what I do. And when you make crumbs it's like a must, isn’t it?

    Storage

    For best results during storage, you should cover the vegan crumble cake. I prefer to use a cake container and put it in the fridge.

    Freeze

    Basically, there is no reason not to freeze the crumble cake. Unfortunately, I haven't tried it myself yet.

    However, the semolina pudding could get a little watery. I would freeze the bottom and crumble separately. So you can quickly prepare a crumble cake with blackberries.

    All you have to do is prepare the poppy seed semolina filling.

    Fridge

    Here I give a clear yes. So the cake lasts for a few days. Just make sure it is kept sealed.

    E.g. In a cake container or the like.

    More vegan Cake Recipes

    • Cherry Cream Cake
    • Mandarine Cream Cake
    • Crumb Quiche
    • Sticky, Gooey Brownies (Vegan, Sugar-free)
    • Blueberry Bundt Cake

    Do not forget to Pin on Pinterest 

    Vegan crumb cake with blackberries and poppy seeds

    Have you tried the recipe

    If you tried the vegan Recipebe so nice ♥ and let me knw byrating the recipe and writing what you think about it in the comments.  I would love to see your photo on Instagram orFacebook. To do this tag me with @veeatcookbake andmy hashtag is #veeatcookbake. So that I can see your creation. Did you know you can add photos n Pinterest under the recipe Pin? I can’t wait to see a photo of your creation here. You find me with @veeatcookbake

    📖 Recipe

    Vegan crumb cake with blackberries and poppy seeds! Everyone who loves crumbles should try this healthy version of a classic crumble cake with a wholegrain shortbread made from spelt, nutmeg, an addictive poppy-seed filling, refreshingly sweet blackberries and covered with cinnamon. vegan | dairy-free | egg-free | oil-free | refined sugar free | soy free | vegetarian #vegancrumbcake #vegancake #poppyseeds #blackberries

    Vegan Blackberry Poppy Seed Crumb Cake

    Author: Jasmin
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    Prep 20 minutes mins
    Cook 40 minutes mins
    Total 1 hour hr
    Vegan crumb cake with blackberries and poppy seeds! Everyone who loves crumbles should try this healthy version of a classic crumble cake with a wholegrain shortbread made from spelt, nutmeg, an addictive poppy-seed filling, refreshingly sweet blackberries and covered with cinnamon. The crumbles are made without oil, butter or the like and taste just as good if not better than the original. A simple but special recipe that fits perfectly as brunch, dessert and coffee and cake.
    vegan | dairy-free | egg-free | oil-free | refined sugar free | soy free | vegetarian
    Servings 26 cm Springform
    Cuisine German

    Ingredients

    Dough:
    • 3 ¾ tablespoon 60 g almond butter
    • ¼ cup water 60g water
    • ⅓ cup 50 g coconut sugar (or other sweetener)
    • 1 cup 150 g spelt flour (whole grain) or gluten-free flour mixture
    • 1 ⅔ cups 150 g almond flour
    • 2 tablespoon almond milk
    poppy seed filling
    • 2 ½ cups + 1 tbsp 650 ml almond milk
    • ⅓ cup 50 g coconut sugar
    • 1 tsp. Abrasion of a lemon
    • 1 ¼ cup 150g poppy seeds
    • ⅔ cups 100g semolina flour
    • 2 tablespoon of lemon juice
    • 2 tablespoon cornstarch
    Topping
    • 2 ¾ cups 400g Blackberries
    crumbles
    • 1 ⅓ cups 125 g of hazelnut or almond flour
    • 1 cup 125 g spelt flour
    • 3 tablespoon +1 tsp 50 g water
    • 3 ¾ tablespoon 60 g almond butter
    • ¼ cup 40 g coconut sugar
    • ½ teaspoon cinnamon

    Instructions

    1. Preheat the oven to 180 ° C.
    2. Now prepare the dough. To do this, knead all ingredients into a homogenous dough in a bowl. Place the dough evenly on the bottom and the edge in a 26 cm springform pan with baking paper.
    3. Now prepare the poppy seed filling, put all ingredients in a saucepan and stir with a whisk, boil briefly. Spread half of the poppy seed pudding over the dough.
    4. Distribute 200 g blackberries onto the filling and spread the other half of the poppy seed mixture. Now distribute the remaining blackberries on the cake. Sprinkle the crumbles over the cake. If you want, you can add a few sliced almonds on it.
    5. Now bake the cake in the oven for about 40 minutes. Do the toothpick tasting if the cake is baked through.
    6. Let the cake cool for at least 3 hours in the refrigerator. Better, overnight.

    Private Notes

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    Let us know how it was!
     

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    Reader Interactions

    Comments

    1. Anastasiya says

      May 04, 2021 at 3:18 pm

      I made it and it turned out amaazinggg😍😍😍OMG!I used grounded nuts instead of almond flour and whole grain flour and peanut butter and it was totally fine!definetly going to make it again!Thanks a lot

      Reply
      • Jasmin says

        May 05, 2021 at 8:58 am

        Anastasiya, so happy you liked it. 🙂

        Reply
    2. Michelle says

      March 18, 2020 at 1:03 pm

      What a lovely looking cake! I'm planning to give it a try using the GF flour blend and semolina alternatives. Any recommendations on GF flour brands that have worked well? Also, have you tried this using frozen blackberries?

      Reply
      • Jasmin says

        March 19, 2020 at 8:42 am

        You could try the bobs red mill gf baking flour. I haven't tried it yet. I am pretty sure it will work with frozen blackberries as well.

        Reply
    3. MARIA says

      January 12, 2020 at 11:15 pm

      My family is transitioning to WFPB and my husband is missing desserts. This crumble will make him very happy! Poppy seeds are not available where we live, what can I use as a substitute? Thank you!

      Reply
      • Jasmin says

        January 13, 2020 at 10:20 am

        Hi Maria,
        I haven't substitute it yet. But maybe you could use chia seeds, flax seeds, or hemp seeds. But I am not sure how it will change the taste. If you try it, let me know how you liked it.

        Reply
    4. Sue says

      May 19, 2019 at 10:35 pm

      How do the crumbles hold together since there isn’t any liquid in them?

      Reply
      • Jasmin says

        May 20, 2019 at 3:22 am

        You add 100g almond butter. It gets crumby like with butter or oil.

        Reply
    5. Debi says

      March 16, 2019 at 9:46 pm

      This looks so yummy! What gluten-free option would you recommend in lieu of semolina?

      Reply
      • Jasmin says

        March 17, 2019 at 9:50 am

        Thank you for your question. You can easily use polenta instead of semolina to make it gluten-free. Hope this helped you. Would love to hear from you again when you made the cake.

        Reply
    6. Suzie says

      March 15, 2019 at 3:45 pm

      Oh, I really like these kinds of cakes. 🙂 This one is just too good. 🙂 Thank you for the amazing recipe!
      I also shared it on my blog:

      https://suzinspire.com/20-meal-ideas-make-you-go-vegan/

      Reply
      • Jasmin says

        March 15, 2019 at 6:29 pm

        Thank you so much for the huge compliment and for sharing it on your side. It is such a pleasure.

        Reply
    7. Sara | mshealthesteem.com says

      March 06, 2019 at 2:16 pm

      This cake is sooo beautiful Jasmin! I'm so excited to make it. And I know it's something my dad will adore so I'll need to make it for him too ♡.

      Your photography is absolutely beautiful love. This cake looks amazing and the ingredients are perfection! Thank you so much for sharing ?

      Reply
      • Jasmin says

        March 06, 2019 at 2:34 pm

        Sara thank you so much for your amazing feedback. And I am so happy when your dad will love it. Would love to hear how he liked it. And thank you so much for your huge compliment. :* Have a wonderful day.

        Reply

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    Hi, I'm Jasmin,

    Eating vegan doesn't have to be boring or expensive! I share delicious, easy-to-make recipes that you and your family will love. Whether it's breakfast, lunch or dinner - healthy food can still be tasty and budget friendly.

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