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White Chocolate Peanut Butter Cake Batter Bars

by Courtney on March 12, 2012

Last Thursday, I put myself in a pretty awful situation. It was about 4:30pm, I was hungry…and then I went on Pinterest.

You know how they say you should never go grocery shopping when you’re hungry? Yeah, well you should never go on Pinterest when you’re hungry either.


My mouth watered as I browsed through each recipe, with my only saving grace being that most of the recipes either called for ingredients I didn’t have, or would have taken more time than I wanted to deal with.

But then…I came across Gracie’s recipe for Cake Batter Blondies and all bets were off. I remembered having come across that recipe quite a ways back, but I had totally forgotten about them up until that point.


I already knew that I didn’t have any sprinkles on hand, so the fun “funfetti” look would not have been possible, and what’s the point in that? Then, I came across another variation that she made using Nutella and I realized that that was something I could work with.


Because I didn’t have any Nutella on hand…but I DID have some white chocolate peanut butter…and man oh man did that sound like a delicious combo. Turns out, it is not only delicious…

Pin It

it is dangerously delicious.

White Chocolate Peanut Butter Cake Batter Bars

(Inspired by Gracie’s Nutella Cake Batter Blondies)


  • 1 box yellow cake mix
  • 1/2 cup white chocolate peanut butter, melted*
  • 1/4 egg substitute (or 1 egg, beaten)
  • 1 tablespoon canola oil
  • 1/3 cup skim milk
  • 1/2 cup white chocolate chips (optional)

*any regular peanut butter would taste just as good, too!


Preheat oven to 350 degrees. In a small bowl whisk together egg substitute, oil, and peanut butter. Add cake mix (and chips, if using) to the wet mixture and combine (batter will be very thick). Slowly add the milk and stir until just combined.

Place batter in an 8×8 pan sprayed with nonstick cooking spray. Bake for 22-25 minutes or just until the edges turn golden. Allow to cool completely (at least 30 minutes) before cutting – the center will otherwise be pretty gooey!


I’d be willing to bet that these would taste phenomenal if they were topped with some White Chocolate Buttercream or Fudgy Frosting, but I just couldn’t bring myself to do it…

I already did enough damage on them without making them even more delicious. Winking smile

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{ 37 comments… read them below or add one }

1 Carol @ Lucky Zucca March 12, 2012 at 12:57 pm

Those look incredible!!! I am with you- no Pinterest when hungry!! It might be even more dangerous than the grocery store. :D
Carol @ Lucky Zucca recently posted..Half-Marathon Training Review: Week 8


2 Carol @ Lucky Zucca March 12, 2012 at 12:58 pm

PS- I totally pinned these…
Carol @ Lucky Zucca recently posted..Half-Marathon Training Review: Week 8


3 Mallory @ Have Your Cake March 12, 2012 at 12:58 pm

is it bad i am salivating over these yet i am allergic to peanuts?! haha!


4 Hope @ With A Side Of Hope March 12, 2012 at 1:03 pm

Oh my goodness! These look amazing. I definitely want to try baking these. :)
Hope @ With A Side Of Hope recently posted..My Saturday With Bethenny Frankel!!!…


5 Carrie @ Lift Eat Repeat March 12, 2012 at 1:04 pm

Those look sinfully delicious!
Frosting would almost overkill- I bet they are sooo good by themselves! :)
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6 Claire @ Live and Love to Eat March 12, 2012 at 1:08 pm

These might be my first Easter morning indulgence. :)
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7 Elle March 12, 2012 at 1:19 pm

OMG! That is all… :)
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8 Caroline @ After Dinner Dance March 12, 2012 at 1:47 pm

Oh wow, those look amazing!
Caroline @ After Dinner Dance recently posted..Chinese Hot Pot Dinner


9 Lauren March 12, 2012 at 2:17 pm

I just tried Gracie’s cake batter blondies a month or so ago and LOVEDDD them (so much that I know better than to make them again anytime soon haha). Trying it with the white chocolate pb…genius and looks awesome!!


10 Lauren @ Call Me Mrs. Rapp March 12, 2012 at 2:46 pm

Love this! I was looking for a dessert to bring to a family dinner Wednesday. I think I might substitute sugar-free white chocolate pudding since I have a box screaming to be used. Can’t wait to try these!
Lauren @ Call Me Mrs. Rapp recently posted..Chicken with Creamy Mustard Sauce


11 Alyssa @ Life of bLyss March 12, 2012 at 2:46 pm

okay, it’s sick how quickly I just mentally perused my pantry for these ingredients and starred that recipe. you made them look so goshdarn good.

if I have a problem, then so be it. I want these in my belly. stat.
Alyssa @ Life of bLyss recently posted..What Would You Do?


12 Melissa @ Some Sugar Added March 12, 2012 at 3:19 pm

My mouth is watering looking at these!
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13 Erica @ For the Sake of Cake March 12, 2012 at 3:45 pm

Yum! These look fantastic! I’ve actually made Gracie’s cake batter blondies & they’re to die for!
Erica @ For the Sake of Cake recently posted..Sunday Dinner


14 Annie March 12, 2012 at 3:58 pm

I can’t believe I have all the ingredients down to the yellow cake box!

I just calculated the calories at 150 when cut into 12 servings.

Will make it IMMEDIATELY right after I finish my black bean brownies.

P.S. Silly questions: unsweetened vanilla almond milk instead of skim milk is okay right?


15 Brandi March 12, 2012 at 4:08 pm

Oh my goodness I am making these tonight!! :)


16 Alaina March 12, 2012 at 4:27 pm

Now I know what to make with my box of cake mix!! :-) Bookmarked! Or pinned. Either way, I’m making these.
Alaina recently posted..Ole! Mexican Grill


17 Ashley @ My Food 'N' Fitness Diaries March 12, 2012 at 4:44 pm

oh my goodness, i can imagine how dangerously delicious these babies are! ;) i saw the original version of these the other day on lindsay’s blog (in sweetness & in health) as well, and i thought they sounded amazing! i’m loving your version as well… i LOVE white choc peanut butter!
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18 Shannon March 12, 2012 at 5:04 pm

Oooooooooooohhhh, if I switch out the white chocolate peanut butter for regular peanut butter, I can eat these during Lent. Yayyyyyyy! :)

These look awfully tasty.
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19 Alyssa @ fit and fun in third March 12, 2012 at 6:04 pm

I agree… Pinterest is dangerous when hungry!!! Those look amazing though, gonna have to try them out!
Alyssa @ fit and fun in third recently posted..Rising Above Negativity


20 Liz @ Tip Top Shape March 12, 2012 at 8:23 pm

I wish I didn’t see this post, lol. Now I want to make this!!!
Liz @ Tip Top Shape recently posted..Sea Salt Chocolate Chip Cookies


21 Julianna @ Julianna Bananna March 12, 2012 at 8:41 pm

oh my goodness these look DELICIOUS!! i’m drooling right on my keyboard.

and i’m totally with ya on the Pinterest thing – my “recipes to try” board is full of sweet treats and creamy pasta dishes because i always find myself on there when i’m hungry!!
Julianna @ Julianna Bananna recently posted..Scenes from L.A.


22 Michelle (Better with Berries) March 12, 2012 at 9:25 pm

Oh my goodness – I automatically love anything involving cake batter! Add white chocolate and PB to the mix? Sounds like heaven :-)
Michelle (Better with Berries) recently posted..Blueberry Oat Bites


23 Katie March 12, 2012 at 9:39 pm

These look SO good! This will definitely be the next baking project!
Katie recently posted..So ready for the weekend.


24 Katie @ Talk Less, Say More March 12, 2012 at 10:05 pm

Oh my…Oh my, my, my…
I think I need to pretend I didn’t see this recipe…
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25 Lauren @ Fun, Fit and FAbulous March 12, 2012 at 11:04 pm

Man oh Man these look ridiculously good!!!!!! I just pinned it to try this weekend!
Lauren @ Fun, Fit and FAbulous recently posted..Lean Legs March Week 3 Exercises


26 Jessica @ The Process of Healing March 12, 2012 at 11:20 pm

I’ve only made the original cake batter blondies but they are AMAZING!!! Addictive is an understatement…
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27 Jennifer @ Peanut Butter and Peppers March 12, 2012 at 11:47 pm

These look amazing! Dangerous to have in my house!! I’d eat them all!! All I tell ya!!
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28 Talia @ Bite Size Wellness March 12, 2012 at 11:52 pm

You and your PB!! :)
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29 Caroline March 13, 2012 at 7:49 am

Holy yum! I love peanut butter…I need to try this!
Caroline recently posted..Monday Recap


30 Gracie March 13, 2012 at 10:12 am

uh YUM!!! You beat me to the peanut butter, miss thang ;) haha. Love the idea of using white chocolate peanut butter…must get on this ASAP!

p.s. long time no talk…hope all is well! XOXO G
Gracie recently posted..because it’s my birthday, duh.


31 Courtney March 13, 2012 at 10:24 am

Haha, girl, you are a genius. ;)
Yes, it’s been too long! Hope all is well with you too! xoxo


32 Rebecca March 13, 2012 at 1:32 pm

I’m totally making these… Like tonight. !
Rebecca recently posted..Little Recap


33 Natalie March 13, 2012 at 9:50 pm

I made these tonight and they were AMAZING. I have never tasted anything like them before. It’s a very cool recipe. I expected it to brownie-ish for some reason, and it wasn’t….a pleasant surprise, however! Thanks for sharing this!


34 honeywhatscooking March 17, 2012 at 12:41 am

wow, these look amazing Courtney. I love that you didn’t put too much additional fat, like butter and oil. Good stuff!
honeywhatscooking recently posted..Friday’s Favorite Things – 3.16.12


35 Erin March 22, 2012 at 12:26 pm

AHHHH. i just made these- omg SO good!!! :) thanks!!


36 mandee June 21, 2012 at 11:14 pm

i bought white chocolate pb JUST to make these! did you make yours with the white chocolate chips or without?
mandee recently posted..Dark Chocolate Raspberry Kiss Cakes


37 Courtney June 22, 2012 at 8:08 am

I don’t think I did…haha, I had to think about that! If I had them on hand I would have, but I think I was out at the time


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