Shamrock Shake Whoopie Pies: A Minty, Festive Treat

Hi I'm Stacy

Everyday Culinary Delights👩‍🍳

Posted on

This post contains affiliate links, meaning we may earn a small commission if you purchase through our links—at no extra cost to you. We only recommend kitchen tools, ingredients, and supplements we trust and use ourselves!

A Sweet Taste of St. Patrick’s Day Magic

There are certain flavors that instantly remind us of a specific time of year—pumpkin spice in the fall, cinnamon in winter, and for March? It’s the unmistakable cool and creamy Shamrock Shake flavor. That refreshing combination of mint and vanilla is a St. Patrick’s Day tradition, and these Shamrock Shake Whoopie Pies take that nostalgic flavor and turn it into a soft, pillowy dessert that’s just as fun to eat as it is to make.

I still remember my first Shamrock Shake. It was a tradition in my family to stop at our favorite fast-food spot every March, eagerly awaiting that minty green milkshake that signaled the start of spring. The moment I took a sip, I was hooked—the cool mint, the creamy vanilla, the festive color—it was magic in a cup.

Years later, I wanted to bring that same excitement to my own kitchen. That’s how these whoopie pies were born—a playful twist on the classic Shamrock Shake that combines two soft, cake-like cookies with a sweet, minty marshmallow filling. They’re perfect for St. Patrick’s Day parties, bake sales, or just a fun family baking project. Whether you’re celebrating the holiday or simply love the combination of vanilla and mint, these whoopie pies are sure to become a seasonal favorite.

Why You’ll Love These Whoopie Pies

1. A Fun Twist on a Classic Flavor

Inspired by the famous Shamrock Shake, these whoopie pies capture the cool, creamy taste of mint and vanilla in a handheld, dessert form.

2. Easy to Make with Simple Ingredients

Starting with a cake mix base makes the cookie dough foolproof, while the marshmallow-mint filling comes together in minutes. It’s a recipe that’s great for bakers of all skill levels!

3. The Perfect St. Patrick’s Day Treat

The bright green color and festive flavor make these whoopie pies ideal for St. Patrick’s Day celebrations, classroom parties, or even a themed dessert table.

4. Soft, Chewy, and Irresistible

Unlike crunchy cookies, whoopie pies are soft and cake-like, with a fluffy filling that makes each bite melt in your mouth.

What You’ll Need (Ingredients)

For the Vanilla Mint Cookies:

  • White or Funfetti cake mix
  • Butter, softened
  • Eggs
  • Vanilla extract
  • Green food coloring

For the Creamy Mint Filling:

  • Butter, softened
  • Marshmallow cream
  • Vanilla extract
  • Mint extract
  • Powdered sugar
  • Milk

How to Make It (Directions)

Step 1: Bake the Cookies

  1. Prepare the cookie dough by mixing cake mix, butter, eggs, vanilla, and green food coloring.
  2. Scoop the dough onto a parchment-lined baking sheet and bake until the cookies are soft but set.

Step 2: Make the Mint Filling

  1. Beat butter and marshmallow cream together until fluffy.
  2. Mix in vanilla and mint extracts, then gradually add powdered sugar and milk to reach a smooth, spreadable consistency.

Step 3: Assemble the Whoopie Pies

  1. Pipe or spread the mint filling onto the bottom of half the cookies.
  2. Top with the remaining cookies to create a sandwich.

Nutritious Bites (Nutritional Info per Serving)

  • Calories: 279 kcal
  • Carbohydrates: 45g
  • Protein: 2g
  • Fat: 11g
  • Saturated Fat: 6g
  • Sugar: 32g
  • Sodium: 281mg

Creative Ways to Serve and Customize

These whoopie pies are already a treat on their own, but here are a few ways to make them even more special:

1. Add a Chocolate Twist

Mint and chocolate are a match made in heaven! Stir in a handful of mini chocolate chips to the cookie batter or dip the edges of the whoopie pies in melted chocolate for a decadent touch.

2. Make a Whoopie Pie Tower

Instead of stacking them in a pile, arrange them in a tower formation, using a little extra frosting as “glue” to hold them together. It makes for an eye-catching centerpiece at parties.

3. Turn Them Into Ice Cream Sandwiches

Freeze the whoopie pies and serve them with a scoop of vanilla or mint chocolate chip ice cream in between. It’s the ultimate Shamrock Shake-inspired dessert!

4. Add a Festive Sprinkle Coating

Roll the edges of the whoopie pies in green or gold sprinkles to give them even more of a St. Patrick’s Day vibe.

5. Try a Natural Green Color

If you prefer a more natural approach, use matcha powder, spinach juice, or avocado puree instead of food coloring for a light green hue.

Frequently Asked Questions (FAQs)

1. What is a Whoopie Pie?

A whoopie pie is a dessert that features two soft, cake-like cookies sandwiched together with a creamy filling. While traditionally made with chocolate cookies and vanilla frosting, this recipe gives them a St. Patrick’s Day twist with vanilla-mint flavors and a festive green color.

2. Can I Use a Different Cake Mix Flavor?

Yes! While white or Funfetti cake mix gives the best results for a vibrant green color, you can also use:

  • Chocolate cake mix for a mint-chocolate combination
  • Lemon cake mix for a citrus-mint variation
  • Vanilla cake mix with a hint of almond extract for a subtle nutty flavor

3. How Do I Get the Perfect Whoopie Pie Shape?

For evenly shaped cookies, use a cookie scoop to ensure each dough ball is the same size. This helps the pies bake evenly and look uniform when sandwiched together.

4. Can I Make These Ahead of Time?

Yes! These whoopie pies can be made 1-2 days in advance. Store them in an airtight container at room temperature for up to 4 days, or refrigerate for a firmer texture.

5. Can I Freeze Whoopie Pies?

Absolutely! Place the assembled whoopie pies in an airtight container and freeze for up to 2 months. Let them thaw at room temperature for 30 minutes before serving.

6. How Can I Make a Dairy-Free Version?

To make these whoopie pies dairy-free, use:

  • Vegan butter or coconut oil instead of regular butter
  • Dairy-free milk (almond, oat, or coconut) in the filling
  • Dairy-free whipped topping as a substitute for marshmallow cream

7. Can I Use Peppermint Extract Instead of Mint Extract?

Yes, but be careful—peppermint extract is much stronger than mint extract. If substituting, start with ¼ teaspoon of peppermint extract and adjust to taste.

8. How Do I Keep the Frosting from Becoming Too Runny?

If the filling is too soft, add extra powdered sugar (1 tablespoon at a time) until it thickens. Chilling the frosting for 10-15 minutes before assembling the whoopie pies also helps.

9. Can I Make Mini Whoopie Pies Instead?

Yes! Use a teaspoon-sized scoop to make smaller cookies, then adjust the baking time to 6-8 minutes. Mini whoopie pies are perfect for kids, party trays, or bite-sized treats.

10. What Can I Serve with These Whoopie Pies?

Pair them with:

  • A Shamrock Shake or mint hot chocolate for an extra minty treat
  • Fresh fruit, like strawberries or raspberries, to balance the sweetness
  • A drizzle of caramel or chocolate sauce for added indulgence

Conclusion: A Dessert That Brings Fun and Flavor to the Holiday

These Shamrock Shake Whoopie Pies are more than just a sweet treat—they’re a celebration of nostalgia, creativity, and festive fun. Whether you grew up loving the famous Shamrock Shake or just enjoy the combination of mint and vanilla, these whoopie pies bring that flavor to life in a playful, handheld dessert.

With their soft texture, creamy filling, and vibrant green color, they’re the perfect addition to any St. Patrick’s Day party, bake sale, or family gathering. And the best part? They’re easy to make and customizable, so you can experiment with flavors, decorations, and serving ideas to make them your own.

So this March, instead of heading to the drive-thru for a shake, why not bake up a batch of these delightful whoopie pies? They’ll bring a little luck, sweetness, and festive fun to your kitchen—one delicious bite at a time.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Shamrock Shake Whoopie Pies: A Minty, Festive Treat


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: stacy
  • Total Time: 25 minutes
  • Yield: 12 whoopie pies

Description

These Shamrock Shake Whoopie Pies are a fun and festive twist on the classic St. Patrick’s Day treat! Soft, cake-like vanilla cookies with a hint of mint are sandwiched together with a creamy marshmallow filling. They’re easy to make and perfect for celebrating the holiday with a touch of nostalgia.


Ingredients

For the Vanilla Mint Cookies:

  • 1 box white or Funfetti cake mix
  • 1/2 cup butter, softened
  • 2 eggs
  • 1 teaspoon vanilla extract
  • Green food coloring

For the Creamy Mint Filling:

  • 1/2 cup butter, softened
  • 1 jar (7 oz) marshmallow cream
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon mint extract
  • 2 cups powdered sugar
  • 12 tablespoons milk

Instructions

  1. Bake the Cookies
    • Preheat the oven to 350°F and line a baking sheet with parchment paper.
    • In a large bowl, mix the cake mix, butter, eggs, vanilla extract, and green food coloring until well combined.
    • Scoop tablespoon-sized portions onto the baking sheet, spacing them about 2 inches apart.
    • Bake for 8-10 minutes or until the edges are set but still soft in the center. Let cool completely.
  2. Make the Mint Filling
    • In a mixing bowl, beat the butter and marshmallow cream together until smooth.
    • Add the vanilla and mint extracts, then gradually mix in powdered sugar and milk until a fluffy consistency is reached.
  3. Assemble the Whoopie Pies
    • Pipe or spread the filling onto the bottom of half of the cookies.
    • Top with the remaining cookies to create a sandwich.

Notes

  • For a mint-chocolate twist, add mini chocolate chips to the cookie batter.
  • Roll the edges in green or gold sprinkles for extra festive flair.
  • Store in an airtight container at room temperature for up to 4 days or refrigerate for a firmer texture.
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Leave a comment

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star