St. Patrick’s Shamrock Lasagna Dessert Recipe
Easy Shamrock Lasagna — Best St. Patrick’s Dessert
Author: Patricia
Looking for a fun, festive, and delicious dessert to celebrate St. Patrick’s Day? Shamrock Lasagna is a no-bake, crowd-pleasing treat made with layers of crushed Oreos, creamy cheesecake filling, mint-flavored pudding, and whipped topping. The bright green pudding layer makes it visually striking while the combination of textures — crisp crust, smooth cheesecake, and fluffy pudding — makes every bite irresistible. This easy recipe is perfect for parties, potlucks, or any occasion when you want a show-stopping dessert.
Why You’ll Love This Shamrock Lasagna
- No-bake and simple to assemble — great for beginners.
- Refreshing mint flavor balanced with creamy cheesecake.
- Bright, festive green color ideal for St. Patrick’s Day.
- Make-ahead friendly — flavors improve after chilling.
- Flexible — swap toppings, use Mint Oreos, or make a gluten-free version.
Ingredients
Crust
- 36 Oreo cookies, finely crushed (a food processor works best)
- 1 stick (8 tablespoons) unsalted butter, melted
Cheesecake Layer
- 8 oz cream cheese, softened
- 1 cup powdered sugar
- 8 oz frozen whipped topping, thawed
Mint Pudding Layer
- 3 boxes (3.4 oz each) cheesecake instant pudding mix
- 3 cups cold milk
- 1 teaspoon mint extract
- Green gel food coloring, a few drops (adjust to desired color)
Toppings & Garnish
- Additional whipped topping
- Oreo crumbs
- Maraschino cherries
- Green sprinkles
Pro tip: Use Mint Oreos for an extra mint boost and an even more festive flavor.

How to Make Shamrock Lasagna — Step by Step
Step 1: Prepare the Oreo Crust
Preheat the oven to 375°F (190°C) if you plan to bake the crust. In a bowl, combine the finely crushed Oreos and melted butter until the mixture resembles wet sand. Press the mixture firmly and evenly into a 9×13-inch baking dish. Bake the crust for 8–10 minutes, then let it cool to room temperature.
No-bake option: Skip the oven and refrigerate the pressed crust for about 30 minutes to set instead.
Step 2: Make the Cheesecake Layer
In a large bowl, beat the softened cream cheese and powdered sugar until smooth and creamy. Gently fold in 8 oz of thawed whipped topping until the mixture is light and fluffy. Spread the cheesecake mixture evenly over the cooled Oreo crust.
Step 3: Prepare the Mint Pudding Layer
In a separate bowl, whisk together the cheesecake pudding mixes and cold milk until smooth and thickened. Stir in the mint extract and a few drops of green gel food coloring, adjusting the color to your preference. Fold in the remaining whipped topping, then spread this mint pudding layer over the cheesecake layer.
Step 4: Chill & Garnish
Cover the dish with plastic wrap and refrigerate for at least 4–6 hours; overnight chilling yields the best texture and flavor. Before serving, garnish with extra whipped topping, Oreo crumbs, maraschino cherries, and green sprinkles. Slice into squares and serve chilled.
Pro Tips for the Best Shamrock Lasagna
- Make it a day ahead — the dessert tastes better after the flavors meld overnight.
- Chill thoroughly so the layers set cleanly; patience pays off when slicing.
- Use gel food coloring for a vibrant green without thinning the pudding.
- For extra mint flavor, use Mint Oreos or add a touch more mint extract to the pudding (taste as you go).
- For a firmer crust, add an extra tablespoon of melted butter to the crumbs.
Best Ways to Serve Shamrock Lasagna
This sweet, minty dessert pairs beautifully with vanilla ice cream or a cup of coffee. For themed gatherings, consider serving alongside Irish cream coffee or a festive green milkshake. Shamrock Lasagna also complements other St. Patrick’s Day desserts such as brownies or pudding cups.
Nutritional Information (Per Serving)
Serving size: 1 square (recipe makes about 12 servings)
- Calories: 320 kcal
- Carbohydrates: 40 g
- Fat: 15 g
- Protein: 4 g
- Sugar: 28 g
Tip: To lighten the recipe, use sugar-free pudding mix and a low-fat whipped topping.
Storage & Leftovers
Refrigerator: Store in an airtight container for up to 3 days.
Freezer: Wrap tightly in plastic and freeze for up to 2 months. To serve, thaw overnight in the refrigerator before slicing.
Frequently Asked Questions
Can I prepare Shamrock Lasagna in advance?
Yes. It’s best made the night before so the layers firm up and the flavors blend.
What’s the best way to cut the lasagna for dessert?
Use a sharp knife and wipe it clean between cuts to keep layers neat and prevent smearing.
Is there a gluten-free option?
Yes. Substitute regular Oreos with a gluten-free chocolate sandwich cookie or similar gluten-free crumb for the crust.
What can I use instead of mint extract?
If you prefer a different flavor, try almond extract or vanilla to create a milder variation.
Can I mix different pudding flavors?
Absolutely. Vanilla, chocolate, or pistachio pudding can be used for different flavor profiles.
Related Recipes You’ll Love
- Unicorn Swirl Cheesecake — Best Colorful Dessert Recipe
- Cotton Candy Fudge — Easy & Irresistible Dessert
Final Thoughts
Shamrock Lasagna is an easy, festive dessert that’s perfect for St. Patrick’s Day or any celebration. Its creamy, minty layers and crunchy Oreo crust will delight family and guests. Give this recipe a try — make it ahead, chill well, and enjoy a delicious green treat that looks as good as it tastes.
Did you make this dish? Share a photo on social media and tag the account you prefer — I’d love to see your version!
