Copycat Costco Mint Chocolate Sundae Recipe

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The Costco Mint Chocolate Sundae is a creamy, refreshing dessert that combines smooth vanilla soft serve with rich chocolate and cool mint flavor.

What Is Costco Mint Chocolate Sundae

The Costco Mint Chocolate Sundae is a soft-serve ice cream dessert topped with mint chocolate sauce or syrup which is cool, sweet, and perfect for mint lovers. It features Creamy vanilla soft serve, Sweet chocolate drizzle, Refreshing mint flavor and Optional chocolate chunks or cookie pieces.

Ingredients

• 2 cups vanilla ice cream or soft serve
• 1/4 cup chocolate syrup
• 1/4 teaspoon peppermint extract
• 2 tablespoons chocolate chips or chunks
• Whipped cream (optional)
• Crushed chocolate cookies (optional)
• Fresh mint leaves for garnish (optional)

Step-By-Step Instructions For A Costco Mint Chocolate Sundae

Step 1: Soften The Ice Cream Slightly

• Remove the vanilla or mint ice cream from the freezer and let it sit at room temperature for about 5 minutes.
• This makes it easier to scoop and gives you a smoother, soft-serve style texture.

Step 2: Prepare the Mint Chocolate Sauce

In a small bowl, mix:

• 1/4 cup chocolate syrup
• 1/4 teaspoon peppermint extract

Stir well until fully combined.

Step 3: Scoop The Ice Cream

Using a large scoop, place 2–3 generous scoops of ice cream into a tall clear cup or dessert bowl.

For a Costco-style look:

• Stack the scoops slightly higher in the center.
• Create a soft swirl shape if possible.

Step 4: Drizzle the Mint Chocolate Sauce

Slowly pour the mint chocolate sauce over the ice cream.

• Let it drip down the sides.
• Make a zig-zag or spiral pattern for a food court-style finish.

Don’t pour all at once — drizzle in layers for better flavor balance.

Step 5: Add Texture Toppings

Sprinkle:

• Chocolate chips or chocolate chunks
• Crushed chocolate cookies (optional)

This adds crunch and mimics the cookie crumble topping used in some Costco versions.

Step 6: Add Whipped Cream (Optional)

Top with a swirl of whipped cream for extra creaminess.

Step 7: Garnish And Serve Immediately

• Add a small fresh mint leaf for presentation (optional).
• Serve and enjoy right away while the ice cream is still firm and creamy.

7 Sweet Secrets For The Best Mint Chocolate Sundae

1. Use high-quality vanilla ice cream for a creamier base.
2. Add peppermint extract slowly to avoid overpowering flavor.
3. Warm the chocolate syrup slightly for smoother drizzling.
4. Add crushed cookies for extra texture.
5. Chill your serving bowl beforehand for longer-lasting coldness.
6. Use dark chocolate chips for deeper flavor.
7. Serve immediately to keep the perfect soft texture.

What To Serve With Costco Mint Chocolate Sundae

• Fresh brownies: Warm, fudgy brownies pair perfectly with the cool mint ice cream. The rich chocolate flavor blends beautifully with the mint chocolate topping.
• Chocolate chip cookies: Soft or slightly crispy cookies add texture and extra sweetness. You can even crumble them on top of the sundae for added crunch.
• Espresso or hot coffee: A strong cup of coffee balances the sweetness of the sundae. The bitterness of espresso complements the chocolate and mint flavors.
• Iced cold brew: Cold brew coffee is smooth and refreshing. It pairs well with the cool mint flavor and makes a great summer dessert combination.
• Fresh strawberries: Strawberries add natural sweetness and a slight tart flavor. They also add color and freshness to your dessert plate.
• Warm chocolate cake: A slice of warm chocolate cake with a scoop of mint chocolate sundae on top creates a rich and indulgent dessert experience.

Ingredients Substitutes For Costco Mint Chocolate Sundae

• Vanilla ice cream → Soft serve or frozen yogurt
  You can use store-bought soft serve, frozen yogurt, or even a dairy-free vanilla ice cream for a lighter or vegan option.
• Chocolate syrup → Fudge sauce or melted chocolate
  Use chocolate fudge sauce, chocolate ganache, or melted dark chocolate instead of syrup for a richer flavor.
• Peppermint extract → Crushed peppermint candies or mint chocolate chips
  If you don’t have peppermint extract, finely crushed peppermint candies or mint chocolate chips will give a similar mint flavor.
• Chocolate chips → Mini chocolate chunks or chocolate shavings
  Any small chocolate pieces work well, including dark, milk, or semi-sweet chocolate.
• Whipped cream → Coconut whipped cream or ice cream topping
  For a dairy-free option, use coconut whipped cream, or omit entirely.
• Crushed cookies → Graham crackers or chocolate wafers
  If you don’t have chocolate cookies, graham crackers, chocolate wafers, or biscotti crumbs can add the same crunch.
• Fresh mint leaves → Mint sprig or mint extract garnish
  If you don’t have fresh mint leaves, a small mint sprig or a tiny drizzle of mint extract on top works as decoration.

Final Thoughts

The Costco Mint Chocolate Sundae is a refreshing, creamy dessert that combines the perfect balance of mint and chocolate flavors. Whether you’re enjoying it straight from the freezer or recreating it at home with this easy copycat recipe, it’s sure to delight mint chocolate lovers.

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