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Slow Cooker Triple Chocolate Brownies

Three kinds of chocolate and chopped pecans add loads of flavor to these Slow Cooker Triple Chocolate Brownies.

Slow Cooker Triple Chocolate Brownies

Brownies are my very favorite indulgence. Brownies with three kinds of chocolate? Even better.

Typically I make fudgy and gooey brownies but these Slow Cooker Triple Chocolate Brownies from Martha Stewart turned out more cake-like, a little drier, and quite chewy around the edges. Even still, they were delicious and I couldn’t get enough of them.

Slow Cooker Triple Chocolate Brownies

Cocoa powder, bittersweet chocolate, and semi-sweet chocolate chips add plenty of chocolate flavor. Chopped pecans add some crunch.

Slow Cooker Triple Chocolate Brownies

My kids didn’t care for the taste of the bittersweet chocolate, so I got to enjoy these slow cooker brownies all week long. And enjoy then I did!

Slow Cooker Triple Chocolate Brownies

It’s necessary to line the Crock Pot with parchment paper so that the brownies do not burn. Cooking time can vary quite a bit based on how hot your crock pot cooks. If you know that your crock pot is a fast cooker, shorten the cooking time some. The middle will still look slightly undercooked when they are done, but it will firm up as it cools.

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Slow Cooker Triple Chocolate Brownies

Slow Cooker Triple Chocolate Brownies

Three kinds of chocolate and chopped pecans add loads of flavor to these Slow Cooker Triple Chocolate Brownies.
PREP: 10 minutes
COOK: 4 hours
TOTAL: 4 hours 10 minutes


  • Cooking spray
  • 1 1/4 cups all-purpose flour
  • 1/4 cup unsweetened cocoa powder
  • 3/4 teaspoon baking powder
  • 1/2 teaspoon kosher salt
  • 1/2 cup (1 stick) unsalted butter, cut into pieces
  • 8 ounces bittersweet chocolate, chopped
  • 1 cup sugar
  • 3 large eggs, lightly beaten
  • 1 teaspoon vanilla extract
  • 1 cup chopped pecans
  • 1 cup semi-sweet chocolate chips


  • Lightly coat a 4 to 5-quart crock pot insert with cooking spray. Place a piece of parchment paper, that is large enough to extend halfway up the sides in the bottom of the crock pot. Lightly spray parchment paper with cooking spray.
  • In a small bowl, whisk together flour, cocoa powder, baking powder, and salt.
  • Place butter and chopped chocolate in a medium microwave-safe bowl. Microwave for 30 seconds. Stir. Microwave another 30 seconds. If not completely melted, continue microwaving until melted.
  • Add sugar to chocolate mixture and whisk to combine.
  • Whisk in eggs and vanilla.
  • Stir in flour mixture just until flour is moistened. Fold in pecans and chocolate chips.
  • Pour batter into crock pot, smoothing out the top with a rubber spatula.
  • Cover and cook on LOW 3 1/2 hours. Uncover and continue to cook on LOW for 30 minutes.
  • Remove insert from crockpot and place on a wire rack to cool completely.


Cooking time will vary. If your crock pot runs a little hot, shorten the cooking time. The middle will look underdone, but will firm up as the brownies cool.


Calories: 331kcal
Author: Christin Mahrlig
Course: Crock Pot
Cuisine: American

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Recipe Source: slightly adapted from Martha Stewart

You might also like this Crock Pot Pecan Pie


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36 thoughts on “Slow Cooker Triple Chocolate Brownies”

  1. Linda Mason-Wilson

    I really like the idea of crock pot brownies. I’m going to try it but because a few have posted that they are dry, I’m going to add a half cup of sour cream to see what happens then. I use it in banana bread and in bundt cakes and they both come out extremely moist. Why not in crock pot brownies???

  2. Brandie Wininger

    I tried these yesterday so my husband could take them to work for his employees to munch on. I followed the recipe step by step but unfortunately they were very dry and crumbly. Your pics make the brownies appear soft and chewy so I am not sure what I did wrong. As for convenience, it was great to pop the batter into the slow cooker and forget about it for a few hours. I may try again in the future and possibly add a small amount of vegetable oil or an egg yolk for additional moisture and remove from slow cooker sooner than what the recipe calls for. Thank you for sharing and I will try again in the future!

  3. Becky at Cooking with Vinyl

    These look great! I’ve never tried brownies in the slow cooker, but I love anything I can dcook in there. I’m a new food blogger and love meeting others. Just found your site through a link party. I’ve followed all of your social networks and hope we can connect on those. I look forward to reading more from you! Becky

  4. Thalia @ butter and brioche

    Who knew it was possible to make brownies in a slow cooker? What an INCREDIBLE idea and recipe. Totally craving all the chocolat-y goodness of these brownies now!

  5. Jen and Emily @ Layers of Happiness

    I have never made brownies in a slow cooker, but your GORGEOUS pictures have totally convinced me! Can’t wait to try them soon! Pinned. 🙂

  6. Why haven’t I ever done this? These brownies look perfect, just like they were baked in the oven. These I’ve got to try! 🙂

  7. Shashi at Runninsrilankan

    I usually make flourless brownies – but brownies in a slow cooker??? Why I never??? These look decadent! I would have to hide these from my daughter if I made them – some things should not be shared 🙂
    Have a wonderful weekend Christin!

  8. Bam's Kitchen

    You have cinched the deal. I was contemplating getting a slow cooker in HK but now it is a must. Your brownies look so decadent, moist and chewy. Sharing of course!!

  9. Wow, these look incredible! The fact that they’re made in the slow cooker is an added bonus too!

  10. Ashley | Spoonful of Flavor

    Wow, these are amazing! The thought of cooking brownies in a slow cooker never appealed to me until I saw these. I could probably eat the entire batch!

  11. Olivia - Primavera Kitchen

    These brownies sound Wonderful and so delicious! I love that you made them in the slow cooker, Christin!

  12. Sarah@Whole and Heavenly Oven

    Oh my gosh. I think you just changed my life forever. Brownies in the crockpot?! How freakin’ genius is that!! I really love a brownie with lots of deep chocolate flavor so these are right up my alley! So trying. 🙂

  13. These brownies look incredible, Christin! I love that you made them in the slow cooker! I just tried making cake and rice pudding and definitely want to try these brownies now 🙂

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