Looking for a fun, festive dessert? Try Shamrock Lasagna! This no-bake treat is perfect for St. Patrick’s Day or any time you want a cool, minty flavor.
It has layers of crunchy Oreo crust, rich chocolate cheesecake, and a light, fluffy mint pudding. The best part? No oven needed!

Affiliate links included. AI-assisted content, reviewed by me. [See Disclosure Page]
Shamrock Lasagna: No-Bake Mint Chocolate Dessert
This dessert is loved for its creamy texture and vibrant green color. It’s a real show-stopper for parties!
Why You’ll Love Shamrock Lasagna
- No-Bake: Super easy to put together.
- Delicious Layers: Rich chocolate and cool mint flavors.
- Customizable: Adjust to your taste or diet.
- Looks Amazing: Great for parties with its green layers.
- Make Ahead: Tastes even better when chilled overnight!
Ingredients:
For the Oreo Crust:
- 36 Oreo cookies, ground into fine crumbs
- ½ cup unsalted butter, melted
For the Chocolate Cheesecake Layer:
- ½ cup unsalted butter, softened
- 8 oz cream cheese (brick-style), softened
- 1 cup powdered sugar
- 1 teaspoon vanilla extract
- 2 envelopes (0.7 oz each) instant hot cocoa mix (milk chocolate flavor)
- 1 tablespoon cocoa powder
- 1¼ cup Cool Whip (or homemade whipped cream, whipped to stiff peaks)
For the Mint Layer:
- 3 (3.4 oz) boxes vanilla instant pudding mix
- 3 cups cold milk
- 1 teaspoon mint extract (or more to taste)
- 3½ cups Cool Whip (or homemade whipped cream, whipped to stiff peaks)
- Green food coloring
For Garnish:
- 2 cups whipped cream
- Maraschino cherries
- Green sprinkles
Tools You’ll Need
- Food Processor: To crush the Oreos.
- Mixing Bowls: For each layer.
- Hand Mixer: For smooth, creamy layers.
- Spatula: To spread layers evenly.
- 9×13 Casserole Dish: For assembling the lasagna.
- Measuring Cups and Spoons: For accurate ingredients.

How to Make Shamrock Lasagna: Step-by-Step
This layered dessert is simple to create!
1. Make the Oreo Crust
- Put whole Oreos (with filling) in a food processor. Blend until fine crumbs.
- Mix crumbs with melted butter in a bowl.
- Press firmly into the bottom of a 9×13-inch dish.
- Chill in the fridge while you make the next layer.
2. Prepare the Chocolate Cheesecake Layer
- In a large bowl, beat softened butter, cream cheese, powdered sugar, and vanilla extract until fluffy.
- Add hot cocoa mix and cocoa powder. Mix well.
- Gently fold in Cool Whip until smooth and airy.
- Spread this layer evenly over the chilled Oreo crust.
- Place in the freezer to set while you prepare the mint layer.
3. Create the Mint Layer
- In a clean bowl, whisk vanilla pudding mix and cold milk until thick.
- Gently fold in Cool Whip.
- Stir in mint extract and a few drops of green food coloring for the right shade. Taste and add more mint if desired.
- Carefully spread the mint layer over the chocolate cheesecake layer.
- Refrigerate for at least 4 hours, or until fully set.
4. Garnish and Serve
- Before serving, top with whipped cream, maraschino cherries, and green sprinkles.
- Slice into squares and serve chilled. Enjoy!
Expert Tips for the Best Lasagna
- Chill Between Layers: This helps keep layers separate and neat.
- Quality Mint Extract: Use good extract for a fresh, natural taste.
- Don’t Overmix Pudding: Overmixing can make it too runny.
- Crush Oreos Well: Ensures a firm crust that holds together.
- Sufficient Chill Time: Refrigerate at least 4 hours (or overnight) for best results.
- Clean Slices: Dip your knife in hot water and wipe clean between each cut for perfect squares.
Frequently Asked Questions (FAQs)
Q: Can I make Shamrock Lasagna without Cool Whip?
A: Yes! You can use homemade whipped cream made from heavy cream and a touch of powdered sugar instead.
Q: What’s the best way to cut clean slices?
A: For super clean slices, dip a sharp knife in hot water and wipe it clean between each cut. Also, freeze the lasagna for about 30 minutes before slicing.
Q: Can I use peppermint extract instead of mint?
A: Yes, but peppermint extract has a stronger, sharper flavor. If you use it, start with a smaller amount and add more to taste.
Q: Can I make this dessert the night before?
A: Absolutely! Making it ahead of time is recommended. It allows the layers to firm up and all the flavors to blend beautifully.
Q: What can I use if I don’t have Oreos for the crust?
A: You can use gluten-free chocolate sandwich cookies for a gluten-free option. For a nutty alternative, mix crushed almonds or pecans with cocoa powder and butter. Chocolate graham crackers also work for a milder chocolate flavor.

Recipe Card: Shamrock Lasagna
Yield: 12 servings
Prep Time: 20 minutes
Chill Time: 4 hours (minimum)
Total Time: 4 hours 20 minutes
Diet: Vegetarian
Method: No-bake
Cuisine: American
Ingredients:
For the Oreo Crust:
- 36 Oreo cookies, ground into fine crumbs
- ½ cup unsalted butter, melted
For the Chocolate Cheesecake Layer:
- ½ cup unsalted butter, softened
- 8 oz cream cheese (brick-style), softened
- 1 cup powdered sugar
- 1 teaspoon vanilla extract
- 2 envelopes (0.7 oz each) instant hot cocoa mix (milk chocolate flavor)
- 1 tablespoon cocoa powder
- 1¼ cup Cool Whip (or homemade whipped cream, whipped to stiff peaks)
For the Mint Layer:
- 3 (3.4 oz) boxes vanilla instant pudding mix
- 3 cups cold milk
- 1 teaspoon mint extract (or more to taste)
- 3½ cups Cool Whip (or homemade whipped cream, whipped to stiff peaks)
- Green food coloring
For Garnish:
- 2 cups whipped cream
- Maraschino cherries
- Green sprinkles
Instructions:
- Prepare the Oreo Crust:
- Crush Oreos into fine crumbs in a food processor.
- Mix with melted butter until combined.
- Press firmly into the bottom of a 9×13-inch casserole dish.
- Chill in the fridge.
- Make the Chocolate Cheesecake Layer:
- In a bowl, beat softened butter, cream cheese, powdered sugar, and vanilla extract until smooth.
- Add hot cocoa mix and cocoa powder; mix until combined.
- Fold in Cool Whip until light and fluffy.
- Spread evenly over the chilled crust.
- Place in the freezer to set.
- Prepare the Mint Layer:
- In a clean bowl, whisk vanilla pudding mix and cold milk until thickened.
- Fold in Cool Whip.
- Add mint extract and green food coloring until desired shade is reached.
- Spread over the chocolate cheesecake layer.
- Refrigerate for at least 4 hours to set.
- Garnish and Serve:
- Before serving, top with whipped cream, cherries, and green sprinkles.
- Slice into squares and serve chilled.