Soft Mint Oreo Shamrock Shake Cookies for St. Patrick’s Day

The first time I baked Oreo Shamrock Shake Cookies in March, my kitchen smelled like cool mint and warm sugar at the same time. I wanted that classic drive thru shake flavor, but in a soft, chewy cookie. So I grabbed Mint Oreos, a splash of peppermint, and let the oven do the rest.
These Oreo Shamrock Shake Cookies bake up thick and tender with crushed Mint Oreos in every bite. The centers stay soft, while the edges turn lightly golden. And if you add a touch of green food coloring, they look just as festive as they taste.

Why You’ll Love These Oreo Shamrock Shake Cookies

What Makes Them Stand Out

Oreo Shamrock Shake Cookies bring together two favorites in one treat. You get the creamy crunch of Mint Oreos and the sweet mint flavor of a Shamrock Shake.
Also, these cookies bake up large and bakery style. Each one feels special and satisfying.

Flavor and Texture Profile

The flavor hits you first with cool peppermint. Then, the vanilla rounds it out and keeps it sweet instead of sharp.
Meanwhile, the crushed Mint Oreos add little chocolatey pockets. As a result, every bite feels chewy in the center with bits of cookie crunch throughout.

How This Recipe Saves Time and Always Works

You mix this dough in one bowl for dry ingredients and one bowl for wet. Then, you combine them and fold in the Oreos.
Because you chill the dough before baking, the cookies hold their shape. So you do not end up with flat, thin cookies. Instead, you get thick Oreo Shamrock Shake Cookies every time.

Ingredients You’ll Need for Minty Oreo Cookies

Dry Ingredients and Structure

You need 2 ¾ cups all purpose flour to build the base. Then add 1 teaspoon baking soda and ½ teaspoon baking powder for lift.
Also, stir in ½ teaspoon salt to balance the sweetness. Whisk these together first so everything spreads evenly through the dough.

Wet Ingredients and Flavor Add Ins

Use 1 cup softened unsalted butter and 1 ½ cups granulated sugar. Beat them together until light and fluffy, about 2 to 3 minutes.
Next, mix in 1 large room temperature egg, 1 teaspoon vanilla extract, and 1 teaspoon peppermint extract. If you want that classic green look, add a few drops of green food coloring and mix until the color looks even.

Mint Oreos and Optional Coloring Tips

Crush about 14 Mint Oreos into chunks. Do not crush them too fine because you want texture in your Oreo Shamrock Shake Cookies.
Food coloring stays optional. It only changes the look, not the flavor.

How to Make Oreo Shamrock Shake Cookies Step by Step

Prep and Mix the Dry Ingredients

First, preheat your oven to 350°F. Line baking sheets with parchment paper.
Then, whisk together flour, baking soda, baking powder, and salt in a medium bowl. Set that aside.

Cream Butter and Sugar for the Perfect Base

In a separate large bowl, beat the softened butter and sugar. Mix for about 2 to 3 minutes until the mixture looks pale and fluffy.
This step matters because it creates air in the dough. As a result, your Oreo Shamrock Shake Cookies bake up soft instead of dense.

Add Extracts and Color for Classic Shamrock Vibes

Next, add the egg, vanilla extract, and peppermint extract. Mix until fully combined.
If you use green food coloring, stir it in now. Keep mixing until the dough looks evenly tinted.

Combine Dry and Wet Mixtures Without Overmixing

Gradually add the dry ingredients into the wet mixture. Stir just until you no longer see streaks of flour.
However, stop mixing once it comes together. Overmixing can make the cookies tough.

Fold In the Crushed Mint Oreos

Now, gently fold in the crushed Mint Oreos. Spread them evenly throughout the dough.
At this point, the dough already smells like a Shamrock Shake, but richer and warmer.

Scoop, Chill, and Prepare for Baking

Scoop about 3 tablespoons of dough per cookie. Place the dough balls on your prepared baking sheets.
Then, chill the dough balls for at least 1 hour. This step reduces spreading and improves the texture.

Bake, Cool, and Set for Best Results

Bake for 11 to 12 minutes. The edges should look lightly golden, and the centers should look set.
Let the cookies cool on the baking sheet for 5 minutes. Then transfer them to a wire rack to cool completely. As they cool, the centers stay soft and chewy.

Pro Tips for Perfect Mint Oreo Cookies

Preventing Excess Spreading

Always chill the dough. Even 1 hour makes a big difference.
Also, avoid placing dough on a warm baking sheet. Instead, let the sheet cool between batches.

Enhancing Mint Flavor

If you cannot find Mint Oreos, use regular Oreos. Then slightly increase the peppermint extract for more mint flavor.
However, add peppermint slowly. A little goes a long way.

Adjusting Cookie Size and Bake Time

For smaller cookies, scoop about 1 ½ tablespoons of dough. Then reduce the bake time by 1 to 2 minutes.
Meanwhile, if you prefer extra large Oreo Shamrock Shake Cookies, add a minute or two to the baking time.

Fun Variations to Try

Extra Mint or Chocolate Add Ins

Stir in white chocolate chips for extra sweetness. Or add dark chocolate chips for a richer bite.
You can also drizzle melted chocolate over cooled Oreo Shamrock Shake Cookies for a bakery style finish.

Color Adjustments for Holidays

Although green fits St Patrick’s Day, you can switch it up. Use pastel colors for spring or skip the coloring for a classic look.
If you love festive Oreo treats, you might also enjoy my Halloween Oreo Stuffed Chocolate Chip Cookies.

Gluten Free or Ingredient Swap Options

Use a 1 to 1 gluten free flour blend in place of all purpose flour. Also, check that your sandwich cookies are gluten free.
For another fun twist, check out my Oreo Milkshake dessert recipe when you crave something sippable instead of chewy.
Before we move on, you can follow along on Pinterest or connect on Facebook for more sweet ideas.

Storing and Freezing Instructions

Keeping Cookies Fresh for Days

Store Oreo Shamrock Shake Cookies in an airtight container at room temperature for up to 5 days.
Also, place a slice of bread in the container to help keep them soft.

Freezing Baked Cookies the Right Way

Let the cookies cool completely. Then place them in a freezer safe container and freeze for up to 3 months.
When ready to eat, let them thaw at room temperature.

Freezing Dough Balls for Future Baking

You can freeze unbaked dough balls on a tray first. Then transfer them to a freezer bag.
Bake from frozen and simply add a few extra minutes to the baking time.

Nutrition Insights

Each of these large Oreo Shamrock Shake Cookies contains about 343 calories. You also get roughly 47 grams of carbohydrates, 4 grams of protein, and 16 grams of fat, including 10 grams of saturated fat. In addition, each cookie has about 25 grams of sugar and 214 milligrams of sodium. Because they are rich and satisfying, one cookie usually feels just right.

Frequently Asked Questions

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Conclusion

Oreo Shamrock Shake Cookies bring that cool mint shake flavor straight into cookie form. They look festive, taste rich and refreshing, and stay soft for days. So when you crave something playful and sweet, bake a batch and let your kitchen smell like mint and warm sugar all afternoon.

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