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Key Lime Whoopie Pies

Key Lime Whoopie Pies | Cookies and Cups

I have a little guy home from school this week because he’s sick.

It’s a little introduction into summer break for me.

I thought I was ready.

I’m not ready.

The endless episodes of Pokemon on a loop…the eating….ALLTHEEATING…the “Can blah blah blah come over?”…the “sleeping in” which is a made up imaginary thing…because my kids seem to like to get up EARLIER on days when they have no school…major fail kids…and the in and out, in and out, in and out…

Don’t get me wrong, I love the bejeezus out of my kids.   But I straight lock my doors when they go outside anymore.

Because without a doubt 2 minutes after they go out, they will be back in.

And then out.

And thennnn back in.

I air condition my back deck, which is really not expensive at all…

So yeah, summer break for us is almost here (I know a lot of you having been dealing with all the things for a few weeks already) and even though I thought I was ready, I’m starting to second guess my sanity.

Pray for me.

And then make these Key Lime Whoopie Pies.

The end.

Key Lime Whoopie Pies | Cookies and Cups

As you know, I am addicted to Key Lime anything.  Here are some of my past recipes.

Luckily lime is fruit, so I feel 1/8 less guilty about it.

Also these whoopie pies are basically an inside-out cupcake.  Did I just invent something?  An inside-out cupcake?  Don’t google that, I call dibs.

Let’s start.

Graham cracker crumbs atop other dry ingredients in a mixing bowl

Get a box of cake mix.  Add some oil, water and eggs…oh and also a cup of graham cracker crumbs…

Whoopie pie batter being beaten with a mixer

Mix that up for a minute or so. It’ll get thick and pretty.

Batter for key lime whoopie pies

On a parchment lined baking sheet, spoon batter into circles about two inches apart…

Circles of batter for key lime whoopie pies on a parchment-lined baking sheet

They’ll bake up nice and domey!

Baked whoopie pie cakes on a cooling rack

While they’re cooling, go ahead and make your filling.

Lime zest in a bowl

Start by zesting a few limes…

Creamy lime filling for whoopie pies in a bowl

Then add that into some cream cheese, powdered sugar and key lime juice…I used a piping bag for easy filling…

Half of a whoopie pie with a swirl of creamy lime filling
Key lime whoopie pie

And squish the filling between 2 cookies…I dipped half of each sandwich into some extra graham cracker crumbs.

I was feeling fancy.

Key Lime Whoopie Pies | Cookies and Cups
Key Lime Whoopie Pies | Cookies and Cups

I might have eaten 13 of these.  So good.

Key Lime is in the air over at Confessions of a Cookbook Queen too!  Hop over and check out Kristan’s Key Lime Eclairs… how good do those sound?!

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Key Lime Whoopie Pies

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Ingredients

Scale

Cookie

  • 1 box yellow cake mix (or vanilla)
  • 1 cup graham cracker crumbs
  • 1/2 cup canola oil
  • 1/2 cup water
  • 3 eggs

Filling

  • 1 (8 oz) block cream cheese, room temperature
  • 4 cups powdered sugar
  • 1 Tbsp Lime Zest (about 2 limes)
  • 3 Tbsp Key Lime Juice (about 2 limes)
  • *optional ~ graham cracker crumbs for garnish

Instructions

  1. Preheat oven to 350°
  2. Line baking sheet with parchment paper.
  3. In mixing bowl combine cake mix, graham crumbs, oil, water and eggs. Stir to combine and then beat on medium high for 1 minute.
  4. Drop batter (approx 2 Tbsp) onto lined baking sheet, 2 inches apart.
  5. Bake 9-11 minutes until set and edges are lightly golden. Transfer to a wire rack to cool completely.
  6. For filling combine cream cheese, powdered sugar, zest and lime juice in bowl of stand mixer. Mix on low until ingredients combine, Turn mixer up to medium and beat for 1 1/2-2 minutes until smooth and creamy.
  7. Fill whoopie pies with about 2 Tbsp of filling.
  8. Garnish edges with graham cracker crumbs if desired.

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55 comments on “Key Lime Whoopie Pies”

  1. My Mother would (and instruct the baby-sitter to do so in the summer) totally lock us outside. Ever so often she would feel sorry for us and put some Kool-Aid on the porch. Good times. And these look amazing!!

  2. Made these and it might be illegal how yummy they are! You definitely need a pastry bag to make these easily (I used a sandwich bag with an edge cut off. Things got a little messy, but it all came out great in the end!).

  3. Nikki @Seeded at the Table

    You and Kristan and your key lime brilliance! or brilliances? nope, the red dotted underline spelling corrector thingy is saying just “brilliance”. Anyway, brilliant! 😉

  4. Renee @ Awesome on $20

    I’m imagining the tartness going on in these, and I’m loving it. I can’t wait to try them.

  5. These look fantastic. So funny too because I was looking in a cookbook and saw a recipe for Key Lime Whoopie Pies, but these look better and way easier, and I’m all for that 🙂

  6. Wow Shelly, I LOVE Key Lime Pie and this looks amazing. I was just thinking about making s’more pancakes for the kids and thinking to myself, mixing in graham cracker crumbs should do the trick, thanks for confirming that for me!

  7. Oh my gosh! These look so yummy and are highly compatible with my current Lime Obsession Diet! It is the new diet where you eat (or roll around in) any lime sweet you want and don’t worry about the five pounds you will most certainly gain. I will be making these ASAP! 😀

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