Dense and fudgy chocolate crust is topped with a tangy yogurt custard, studded with juicy berries and sprinkled with a deep, dark, chocolate streusel topping.  Garnish with fresh berries for a gorgeous dessert.

Berry Chocolate Streusel Bars | Baking a Moment

Mystery Dish!  Mystery Dish!

It’s time for another installment of Mystery Dish!  Yay!

But before I get into all of that I just want to give you a heads up that this one’s going to be short and sweet.  It’s been cah-razay around the Baking a Moment household these last several days (in a good way!).  Christmas was a huge success and we enjoyed lots of time with family, both immediate and extended.  Lots of cozy time in our cozy living room with lots of mugs of peppermint mocha, lol!  Good times and houseguests always = lots of cooking, cleaning, and dishes, so there’s that too (but I’m happy to do it).  And finally, you may have noticed I made the decision to “unplug” for the holiday week (omg, no offense but it was pure luxury!!!), so of course I’m now miserably behind on all the back-end bloggy stuff, such as tweeting, facebooking, plussing, answering my comments, and reading/commenting on other blogs.  So, it’s time to get cracking!  Now, if someone just has a suggestion on what to occupy my winter-breaking kids with while I get on top of all this…?

Berry Chocolate Streusel Bars | Baking a Moment

Our Mystery Dish host this month is Sherri of The Well Floured Kitchen (thank you Sherri!), and she put the following ingredients in our “box”:

  • Dark Chocolate
  • Greek Yogurt
  • Berries
  • Coconut Oil
  • Walnuts
  • Fish
  • Baby Spinach
  • Pecorino

I chose to use chocolate (or rather, cocoa), yogurt, and berries, but I was thinking I could probably have also used walnuts and even coconut oil too.  Honestly, I’m not a big fan of coconut personally, but if you are then definitely think about substituting the butter for cold coconut oil!  I’m sure it would work beautifully…

The crust is a suuuuuper dark chocolatey crumble/streusel.  I borrowed the idea from Rikki Snyder’s blog, decreasing the sugar and increasing the cocoa, because if you read this blog regularly you know I like my chocolate treats to be super intense.  If I’m gonna eat chocolate I want it to taste seriously chocolatey!  I find that spending a few extra shekels on high quality cocoa powder makes a huge difference in flavor.  I can find Ghirardelli products easily in my regular supermarket, so that is my go-to cocoa of choice.  Not a sponsored post- I just genuinely love the product!

I also took inspiration from this recipe I posted back in the early spring, when strawberries and rhubarb are at the peak of their season.  Look at my old photos!  I thought I was doing pretty well back then, but boy- I think my skills have come a long way!

Most of the mixture gets layered in the bottom of a square baking pan and par-baked.  Then, a sweet and tangy yogurt custard gets mixed up and berries get folded in.  I chose to use frozen berries in the filling because: a) fresh berries are pretty spendy this time of year, at least in my neck of the woods, and b) they hold up nicely in the oven without completely going to mush.

Berry Chocolate Streusel Bars | Baking a Moment

The rest of the streusel gets sprinkled all over the top, and back into the oven it goes!

Can I tell you a secret?  This is really bad and I’m totally embarrassed and a little freaked out at myself.  I put these in the oven and then got to chatting with a friend… before I knew it, it was time to pick up my little guy at preschool and I ran out the door, totally forgetting I had left these in a 350 degree oven!  Gah!  Good thing my son’s school is only 10 minutes away, but still.  Ten minutes, each way, plus waiting in the car line and getting him buckled into his carseat…  My berry chocolate streusel Bars spent close to 30 minutes longer in the oven than they should have.  But guess what?  They still taste pretty great, and not the least bit dry!  So, I’m guessing these are pretty tough to mess up.  Gotta love a foolproof recipe!

Berry Chocolate Streusel Bars | Baking a Moment

Garnishing with fresh berries is definitely the gorgeous way to go… and a little powdered sugar never hurt anyone…

Berry Chocolate Streusel Bars | Baking a Moment

Ok so maybe that wasn’t so short and sweet after all!  I just couldn’t help myself.  It’s been a long time since I’ve talked at ya, I’ve missed you guys! 

Now if you’ve been “unplugged” for the last few days too, and you’re ready to look at some mouthwatering treats again, check out all the other fabulous dishes from my Mystery Dish pals!  And definitely give a warm welcome to our guest this month, Rachel from The Dessert Chronicles.

Mystery Dish December

1. Cinnamon Coffee Cake from Buttercream Fanatic
3. Dark Chocolate Raspberry Tart from The Dessert Chronicles
4. Berry Chocolate Streusel Bars from Baking a Moment
5. Green Berry Smoothie from I Want Crazy
7. Dark Chocolate Raspberry Swirl Brownies from Joyful Healthy Eats
8. Healthy Homemade Granola Parfait from Yummy Healthy Easy
9. Pear Cranberry Crockpot Oatmeal from See Hubby Cook
10. Dark Chocolate Chip Oatmeal Cookies from Culinary Couture
11. Raspberry Chocolate Crumb Bars from I Dig Pinterest
12. Dark Chocolate Walnut Coconut Macaroon Fingers from The Well Floured Kitchen

Berry Chocolate Streusel Bars | Baking a Moment

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4.70 stars (10 ratings)

Berry Chocolate Streusel Bars

Servings: 16
Prep Time: 25 minutes
Cook Time: 15 minutes
Total Time: 40 minutes
Dense and fudgy chocolate crust is topped with a tangy yogurt custard, studded with juicy berries and sprinkled with a deep, dark, chocolate streusel topping. Garnish with fresh berries for a gorgeous dessert.


For the Streusel

For the Custard

  • 2 eggs, (large)
  • 3/4 cup (150 g) granulated sugar
  • 6 ounces (170.1 g) plain Greek yogurt, (I used fat free)
  • 6 tablespoons (88.72 g) all-purpose flour
  • 1 tablespoon orange juice
  • 1/2 teaspoon vanilla extract
  • 1/2 teaspoon kosher salt
  • 2 cups (310 g) frozen mixed berries
  • fresh berries, such as strawberries, blackberries, raspberries, and blueberries
  • powdered sugar


Make the Streusel:

  • Preheat the oven to 350 degrees F.
  • Place the flour, sugar, cocoa, and salt in a large bowl and stir to combine.
  • Cut in the butter until crumbly. Mixture should resemble oatmeal, with butter pieces no larger than the size of a pea.
  • Press ¾ of the mixture into the bottom of a lightly greased 8x8 inch or 9x9 inch square baking pan.
  • Bake for 15 minutes.

Make the Custard:

  • Whisk the eggs, sugar, yogurt, flour, orange juice, vanilla, and salt together in a large mixing bowl.
  • Fold in the frozen berries, and pour the mixture over the par-baked crust.
  • Top with the remaining streusel, and bake for one hour.
  • Cool completely, cut into bars, top with fresh berries, and sprinkle with powdered sugar.
Calories: 261kcal, Carbohydrates: 35g, Protein: 4g, Fat: 13g, Saturated Fat: 8g, Cholesterol: 51mg, Sodium: 124mg, Potassium: 116mg, Fiber: 2g, Sugar: 19g, Vitamin A: 393IU, Vitamin C: 1mg, Calcium: 27mg, Iron: 1mg
Cuisine: American
Course: Dessert, Snack
Tried this recipe?Mention @bakingamoment on Instagram or tag #bakingamoment.


  • Allie

    Allie is the creator and owner of Baking a Moment. She has been developing, photographing, videographing, and writing and sharing recipes here since 2012.