Chocolate Peanut Butter Brownies Bites, because everyone loves brownies but we all wish they were just a little prettier. Well here they are! A cake mix brownie cookie topped with peanut butter frosting, chocolate peanut butter ganache and mini peanut butter cups!
Love the PB and Chocolate combo? Try these No-Bake Peanut Butter Chocolate Bars!

On Instagram I promised to get this recipe up on Sunday but my weekend has been crazy with the launch of my new book “Make it with a Cake Mix!” I’ll tell you more about that book and the book signing I did tomorrow! Thank you everyone for your love and support and for every “share,” “like,” visit, and “pin!” Without all that help I couldn’t have this amazing job! Thank you!

Peanut Butter Brownie Bites
Ingredients
Brownie Cookies:
- 1 Box Devil's Food Cake mix I like pillsbury
- 2 eggs
- 1/3 C. oil
- 1 Tbsp. brown sugar
Peanut Butter Frosting:
- 1/2 C. butter
- 1/2 C. peanut butter smooth
- 2 tsp. vanilla extract
- 2-4 Tbsp. milk
- 2-3 C. powdered sugar
Peanut Butter Chocolate Ganache:
- 3/4 C. chocolate chips
- 1/2 C. peanut butter smooth
Peanut butter cups, chopped (I used the mini ones from Trader Joe's)
Instructions
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1. Preheat oven to 350 degrees and line pans with parchment paper.
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2. Sift cake mix into a large bowl to remove lumps.
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3. Add eggs, oil and brown sugar and stir until smooth. Batter will be thick.
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4. Scoop walnut sized dough balls onto cookie sheets and gently press them down to make them a little flatter. (Cake mix cookies can sometimes bake up tall and not spread out like normal cookies.)
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5. Bake for 6-8 minutes depending on how fudgey you want them to be.
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6. Let cool.
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7. Peanut Butter Frosting: Beat butter and peanut butter together. Add vanilla extract and 2 Tablespoons milk. Slowly add in powdered sugar until you reach your desired consistency. Add more milk if it becomes too thick.
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8. Peanut Butter Chocolate Ganache: Place chocolate chips and peanut butter in a microwave proof bowl and heat in the microwave (about 1 minute). Stir until smooth.
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9. To assemble: Frost cookies. I used a large circle tip in a piping bag to pipe out a little circle and then I used a spoon to flatten the frosting out and create a sort of "well" to hold the ganache. Put a spoonful of ganache on each frosting cookie and then top with chopped peanut butter cups!
Before I filled them with ganache…
My simple photo set up… All it takes is natural light and some beautiful treats!





These look absolutely decadent, I can’t wait to try them!
These have my husband’s name written all over them. Off to check my pantry and make sure I have everything!
Thanks Lizzy!
Lizzy, you are the best! I have shared your site many times over !! Your recipes are easy to follow….the pics are gorgeous and the tidbits you give make me think i can do this! Thanks for your posts.
congrats on your book!! that’s amazing!! i’m sure there will be many, many more books in the future 🙂 <3
Yum! My boyfriend would defffffinitely love these. Pinned! 🙂
YOU will definitely love them too!
So cute!
Chocolate and peanut butter is a food group, right? Yum!
About how many brownie bites does this make??
Just made these last night and they are awesome! However, my cookie became a flat 2 1/2 – 3″ one. I used a small scoop the size of a walnut and just barely flattened them before baking. They ran into each other, so I had to separate them with a spatula. Any ideas? Next time I will leave them in the ball state to see if that does it. Even despite my larger flat cookie, the taste is divine!
Try using Pillsbury mixes, those are what I use!
About 24, depending on how large you make them!
Anything with multiple layers of different flavors of frosting is a winner in my book! These are gorgeous and look delectable!
Okay, I will try that. I usually buy Duncan Hines because they have more dry mix in the box. Should I switch totally to Pillsbury to get the best results from your recipes (which I love and use every week)? For whatever reason, I just thought more mix would be better…..but I am still learning!! Thanks for your thoughts on this and I just received your new book and am so excited to try everything! Love it!
Give the Pillsbury a shot and see if you like it better! I just prefer the texture of Pillsbury 🙂
Hi Lizzy! Do you have a suggested substitute for parchment paper? I’ve heard of using brown paper bags, but I’m not sure if it’s safe. I’m afraid if I don’t use anything the cookies will brown too fast. If I opt out, just greasing the cookie sheet, should I adjust the baking time/temperature? Thanks for your help!
YOu can just bake them on the cook sheet! But you really should try the parchment paper! I re-use the sheets over and over again so its an AWESOME bang for your buck 🙂
Brownie bites with a peanut butter frosting sounds like a great pair.
These were absolutely delicious! I was given rave reviews and what makes it even better is that they were so easy! Thank you again for your delicious recipes!
Do these cookies freeze well?