Chocolate Peanut Butter Earthquake Cake

Today is a great day. It’s Chocolate Peanut Butter Day!

Woot woot!

So what exactly does that mean? Well, it means you are about to be blown away by chocolate and peanut butter recipes (never a bad thing). I’ve joined forces with 31 fellow bloggers to showcase these tasty ingredients all on the same day. My girls Carla from Chocolate Moosey and Miriam from Overtime Cook are orchestrating the whole event, and we want you to join in on social media using #chocPBday, grab more delicious recipe on the Chocolate PB Pinterest board, and best of all… enter to win 1 of 3 prize packs from OXO, King Arthur Flour, and Peanut Butter & Co. in the giveaway below (find it below the recipe)!

But first… Chocolate Peanut Butter Earthquake Cake.

Chocolate Peanut Butter Earthquake Cake

Here’s the deal with this cake – it ain’t purtty.

It’s meant to look like a peanut butter earthquake has come in and wreaked havoc on an innocent chocolate cake. All the while, tasting super rich, moist and delicious.

I found it tasted best when it was served warm, a-la-mode style.

Chocolate Peanut Butter Earthquake Cake

The cake is actually super easy to make, and a riff on the classic earthquake cake.

Just grab a chocolate boxed cake mix, prepare it according to the box’s instructions and pour into your cake pan.

Chocolate Peanut Butter Earthquake Cake

Then combine some butter, cream cheese, peanut butter and powdered sugar and blend until light and fluffy.

Scoop by tablespoons right on top of the cake batter.

Chocolate Peanut Butter Earthquake Cake

Cover the whole cake in creamy peanut butter blobs.

Blobs… it’s such a fun word to say.

Chocolate Peanut Butter Earthquake Cake

Let’s get crazy and throw in some extra chocolate and peanut butter… shall we??

Chocolate Peanut Butter Earthquake Cake

A few (few?) chocolate chips and peanut butter cups for the road please.

The blobs will slowly sink to the bottom as the cake rises up while baking. It takes a little longer to bake than your average cake mix, so have patience.

You’re looking for a slightly jiggly center, nothing that wobbles too much.

Chocolate Peanut Butter Earthquake Cake

The top will have cracks and creases…

Basically looking like an earthquake destroyed your cake.

Throw a little more chocolate peanut butter cups on top. Mmkay? 

Chocolate Peanut Butter Earthquake Cake

The peanut butter blobs form a creamy sweet layer that’s ribboned throughout the moist chocolate cake.

No frosting needed.

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Chocolate Peanut Butter Earthquake Cake

Chocolate Peanut Butter Earthquake Cake

Ingredients

  • 1 box Chocolate Fudge cake mix, plus ingredients needed to prepare (eggs, oil, water)
  • 1/2 cup butter
  • 8 oz cream cheese, softened
  • 1/2 cup creamy peanut butter
  • 1/2 tsp vanilla extract
  • 3 1/2 to 4 cups powdered sugar
  • 1/2 cup chocolate chips
  • 1 cup miniature chocolate peanut butter cups, halved

Instructions

  1. Preheat oven to 350 degrees F.
  2. Prepare chocolate cake mix according to package instructions and pour into a lightly greased 9x13 cake pan, DO NOT BAKE - set aside.
  3. Melt butter on stove top until bubbly. Pour into mixing bowl and beat the butter and cream cheese until smooth. Add the peanut butter and vanilla extract, beat till smooth. Add one cup of powdered sugar at a time to bowl, and beat until fully incorporated and mixture becomes light and fluffy.
  4. Scoop spoonfuls of the peanut butter mixture onto the chocolate cake batter, all over. Sprinkle with the chocolate chips and peanut butter cups.
  5. Bake for 45-55 minutes or until the center is only slightly jiggly. Let cool for 15 to 20 minutes before slicing and serving warm. Top with ice cream if desired! Enjoy!
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Ready to win some cool prizes?

Peanut Butter Giveaway

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Three lucky winners will win one of the following:

Prize Pack #1: OXO Baking Tool Set: One 3-in-1 Egg Separator, One Bent Icing Knife, One Brownie Spatula, One Cake Tester, One Cookie Spatula, One Cupcake Icing Knife, One Cupcake Corer, One Egg Beater, One Stainless Steel Measuring Cups, One Stainless Steel Measuring Spoons, One Medium Cookie Scoop

Prize Pack #2: King Arthur Flour ingredients: One bag of all-purpose flour, one package of Guittard bittersweet chocolate disks, and one bottle of pure vanilla extract

Prize Pack #3: Peanut Butter and Co. package including: one Dark Chocolate Dreams 6-pack, One Variety 6-pack, and One 31 Days of Dark Chocolate Dreams cookbook

a Rafflecopter giveaway

This giveaway is open to US residents only and will be picked from random draw. Giveaway ends Monday March 31 at 11:59 PM. The winners will be notified via email and have 24 hours to respond. If not, the prize is forfeited and another winner will be chosen.

Want more Chocolate and Peanut Butter?!

Check out these 30 delicious recipes & bloggers!

Comments

  1. My favorite commercial pb/chocolate treat is Peanut Butter Twix – yum! My favorite homemade pb/chocolate treat is chocolate molten cake w/a peanut butter center.

  2. Special k bars!

  3. Marnely Rodriguez-Murray says:

    I love brownies swirled with PB!

  4. This is the best cake EVER! I want to eat ALL OF IT.

  5. Whoa! I don’t know what the heck an earthquake Cake is – but this, this looks ridiculous! Love it!

  6. I’m a sucker for dark chocolate combined with peanut butter in any way I can find it!

  7. I love chocolate peanut butter fudge.

  8. Puppy Chow!

  9. I don’t care if it’s pretty or not, I’ll take a slice or three!

  10. This is one natural “disaster” that would be welcome anytime! It looks absolutely wonderful, Shawn!

  11. I love Reese’s peanut butter eggs. So much peanut butter!

  12. Yep, I’d be shaking the earth as I’m jumping for joy over a slice of this cake.

  13. chocolate peanut butter pie

  14. OMG this has my name written all over it!! Excuse me while I wipe the drool off my computer… :)

  15. You and your amazing cakes! I am going to try this one today.. It’s a healthy after school snack, right?
    Well I hope you have more amazing recipes for us after you wake up from your PB chocolate coma! Delish!

    • Thanks Lisa! Haha… You’ll think I’m crazy, but I’ve already made this cake 4 times – so PB chocolate coma is very fitting. I do have another cake coming your way soon, so keep your eyes open! :)

  16. THis looks great. I live in “earthquake country” (California) but I’ve never heard of an earthquake cake!

  17. I love old fashioned chocolate pie

  18. My family loves peanut blossoms.

  19. I’m making this tonight. Can I use crunchy peanut butter?

    • Hi Yolanda, I’m sure you could get away with crunchy peanut butter, but I think it would taste better with the creamy kind. Let me know how it goes! :)

  20. Wow, that is perfection. I will have to make this tonight! Thanks for sharing!

  21. My mom used to make an earthquake cake, but it was NO where as memorable as your pb-chocolate version! It looks scrumptious!!!

  22. Christy Spurlock says:

    I love a chocolate bar and a spoonful of peanut butter.,

  23. barbara n says:

    I love chocolate peanut butter pie!

  24. This cake looks BEAAAAAUTIFUL to me!!! so decadent and fudgy and rich and mmmmmmmmmmm!!!

  25. You had me at peanut butter blobs. Nothing better.

  26. Clean up in aisle 5! I can’t stop drooling! :)

  27. This is the best cake EVER! Genius :)

  28. Cracker Barrel has the best peanut butter cups.

  29. Reese’s Pieces

  30. Jennifer Essad says:

    I love the hershey kiss cookies-peanut blossoms -

  31. Haha, love the name of this Shawn!

  32. Anastasia says:

    I’ve always been a big fan of chocolate & peanut butter ice cream :) The best I ever had was a little ice cream shop in the grocery store my mom shopped at as a kid :)

  33. Anything with chocolate and peanut butter is great with me….

  34. Peanut Butter cups are the bomb!

  35. The name of this is so appropriate because this cake is seriously rocking my world! I’d never have thought to drop blogs (it IS a fun word to say!) of cheesecaky goodness into a cake so that it would fall to the bottom and form that glorious runny layer. And girl, your photos are ridiculously amazing. I want to grab your pan of cake and eat the entire thing, with plenty of scoops of vanilla ice cream of course!

  36. Carol Yemola says:

    Reese’s Peanut Butter Cups

  37. oh my gawd. . how have I never heard of an earthquake cake before?! I freaking love this!!! Totally going to make this! Looks sooooo good!

  38. This is so much fun! My aunt used to make a coconut earthquake cake, but I have to say this chocolate peanut butter one looks even better. Especially with ice cream. Isn’t everything better with ice cream?

  39. It may not be pretty, but I bet it tastes amazing! Sometimes, messes are the most delicious thing! Happy Chocolate Peanut Butter Day!

  40. Gloria R, says:

    I love Buckeyes. I make them but the big problem is they disappear as fast as I can make them. :)

  41. Shirley Crenshaw says:

    I love anything with chocolate AND peanut butter. This cake loiks awesome. Will be making it soon.

  42. Hold on, I feel the room shaking with PB chocolate goodness, Shawn!

  43. This cake certainly lives up to its name, because it looks like it would totally rock my world. (Ba dum CHING.) :) Seriously, though, there is way too much chocolate and PB goodness in that there dessert for me to handle. Not that it’ll stop me, mind you.

  44. Holy moly! Why don’t you live closer to me girl? This looks crazy awesome!!!!

  45. I like Reese’s Pieces

  46. Blobs of peanut butter toppedwith more chocolate and more peanut butter and more chocolate and more peanut butter and then ICE CREAM! Yeah, I’m in!

  47. Rachel Crisman says:

    peanut butter chocolate fudge

  48. This even looks delicious BEFORE it is cooked! I am afraid I would eat so much of this in one sitting I would have to sit for the rest of my life!

  49. Alison M says:

    Chocolate PB fudge!!

  50. Angela Herrera says:

    Woodland Bakery’s Reese’s Peanut Butter Cup Cake

  51. Chocolate peanut butter ice cream sandwiches are my favorite!! My mom makes them the best

  52. Tough question!! Probably a peanut butter cup smoothie.

  53. Elyse Wiggans says:

    Loved this recipe, but didn’t have a deep enough plan and it cooked over :(.

  54. Reece cups, the original would be my favorite.

  55. When you first posted your recipe title, I was very intrigued about an earthquake cake. Never heard of it, and now I can’t wait to try it!

  56. Reese’s crushed over Trader Joe’s vanilla ice cream! Yum.

  57. Chocolate Peanut Butter Cup Cheesecake

  58. Kristina says:

    Honestly I’m kind of expecting this to become it! Can’t wait to try it!

  59. Anything with chocolate and peanut butter is great!

  60. Oh my goodness. Who knew that an earthquake could be such a GOOD thing?!!! I’m craving this right now!
    Pinning :)

  61. Kim Monroe says:

    Can’t wait to try this! Maybe fun for a family gathering!!

  62. Peanut Butter M&Ms!

  63. OK I seriously need to move in if you’re cooking like this!

  64. Susan Campbell says:

    Chocolate Peanut Butter Brownies!

  65. Saw this recipe on Wednesday, baked it for my sons 12th birthday on Thursday. AHMaaazing!!! So easy and unbelieveably moist and delicious! Just as good the next day too! Thanks for sharing this recipe :)

  66. I just made this cake and all the add-ins went to the bottom and carmalized. It was yummy…but it could be better if it was ooey-gooey….any suggestions.

  67. Oh my gosh! My roommate and I LOVE LOVE LOVE this cake! In fact, we kind of hate you a little bit because we love the cake so much. True story, I took a huge slice to work with the intention of sharing it, but it never had a chance. All that made it to work was the empty plate and mulling over whether or not I should lick what was left off. We’ve almost finished off the whole thing ourselves. Hellish awesomeness.

  68. Love this idea with dark choc & PNB together. QUESTION tho: Am I the only one that thinks that much powdered sugar adds sweetness to already sweet? Sounds TOO sweet for me, any suggestions for the top layer (that we blob on)? What if I cut the powdered sugar in half, think it may still work?? Anyone else modified that part of the recipe? Thanks! :)

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