Have you ever gone to Costco, walked out with way more than you intended, and then had that dessert craving hit? Yep — same. That’s exactly how this Costco inspired double chocolate mint sundae was born, and trust me… you’re about to make it on repeat.
Creamy minty gelato, crunchy chocolate brownie cookies, and warm chocolate sauce all come together in the most ridiculously good dessert you’ll make at home. It’s simple, crowd‑pleasing, and absolutely Instagram‑worthy.
Let’s dive in!
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Why you will love this Chocolate Mint Sundae
- Creamy + crunchy + chocolatey + minty — the ultimate flavor combo
- Quick & easy dessert for nights you want indulgence without fuss
- Perfect for family dessert night, weekend treats, or impressing guests
- Uses just 3 ingredients, but feels totally indulgent
Only 3 Ingredients
- Talenti Mediterranean Mint Gelato – creamy, minty heaven or you can use vanilla ice cream and mint chocolate chips.
- Simple Mills Sweet Thins Chocolate Brownie Cookies – for that perfect crunch, I love how they are gluten free.
- Chocolate Sauce – drizzle generously!
Optional toppings: whipped cream, mini chocolate chips, or extra cookie crumbles.
How to Make Copycat Costco Double Chocolate Mint Sundae
Step 1. Crumble Cookies
Break a few Simple Mills Sweet Thins Chocolate Brownie Cookies into chunks. Sprinkle into the tall sundae cup and drizzle the chocolate syrup over the sides of the cup.
Step 2. Scoop the Gelato
Start with 2–3 generous scoops of Talenti Mint Gelato. (No judgment if you eat straight from the pint — we’ve all been there!)
Step 3. Drizzle Chocolate Sauce
Drizzle chocolate sauce over the top with cookie crumbs. Don’t hold back — indulgence is the goal!
Step 4. Optional Extras
Top with whipped cream, mini chocolate chips, or mint leaves.
Chocolate Mint Sundae Tips
- Crumble cookies right before serving for extra crunch.
- Use a clear glass cup for the layered version so you can see those beautiful chocolate and cookie layers.
- For extra indulgence, repeat the layers (cookies → chocolate → gelato).
- Add a pinch of sea salt on top to enhance the chocolate flavor.
- Swap gelato with your favorite mint chocolate chip ice cream.
- Serve immediately — this dessert is best enjoyed fresh and creamy.
Recipe FAQs
I recommend assembling right before serving to keep the cookies crunchy. You can prep the gelato scoops in advance, but add cookies and sauce last minute.
Absolutely! Vanilla or chocolate mint ice cream works too — Talenti is just extra creamy.
Yes! Any chocolate brownie cookie or even chocolate chip cookie works. Simple Mills adds a great texture.
Definitely! Just double or triple the ingredients — it’s perfect for parties.
More Summer Dessert Ideas
- Quick and Easy Chocolate Dirt Pudding
- Dubai Pistachio Chocolate Bar
- Best Giant Chocolate Chip Cookie
- 3-ingredient Gluten Free Chocolate Cake
- Easy Grilled Peaches with Ice Cream
- No Bake Mini Cheesecakes
Share Your Chocolate Mint Sundae
If you make this 3-ingredient double chocolate mint sundae, tag us @munchkintimeblog on Instagram, I LOVE seeing your creations!
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📖 Recipe
3-Ingredient Double Chocolate Mint Sundae (Costco Inspired!)
Equipment
Ingredients
- 3 scoops ice cream Talenti Mediterranean mint gelato
- 5 chocolate cookies Simple Mills Sweet Thins
- 2 tablespoons chocolate sauce
Instructions
- Sprinkle a layer of crumbled cookies into the bottom of a tall glass cup or tall sundae cup.
- Drizzle chocolate sauce over the cookie layer and sides of the cup.
- Add 3 scoops of mint gelato or vanilla ice cream on top.
- Finish with a final sprinkle of cookie crumbs and chocolate drizzle. Optional: add a mint sprig for garnish.
Video
Notes
- Use a clear glass cup for the layered version so you can show off all those pretty chocolate and cookie layers.
- Crumble the cookies right before serving so they stay nice and crunchy.
- Warm the chocolate sauce just a little so it drizzles easily over the gelato.
- Want it extra decadent? Go ahead and repeat the layers (cookies, chocolate, gelato).
- A tiny pinch of sea salt on top really brings out that rich chocolate flavor.
- No gelato? No problem — your favorite mint chocolate chip ice cream works just as well.
- Serve right away for the best texture — it’s creamy, melty, and perfect when fresh.
- Hosting? Turn this into a fun DIY sundae bar with lots of toppings for everyone to enjoy!
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