Keto Chocolate Frosty – A Low-Carb Treat That Tastes Like Childhood

Do you ever have one of those days where all you want is a cold, creamy chocolate frosty... but you know the real deal is packed with sugar and carbs? Girl, same. That’s why I created this ridiculously easy Keto Chocolate Frosty recipe that tastes just like the one you remember from Wendy’s, but without the sugar crash.

It’s thick. It’s dreamy. It’s chocolatey in the best possible way. And yes—it’s totally keto.

Whether you’re needing a quick dessert fix or looking for a post-dinner treat the whole family will love, this recipe has your back. Plus, it only takes 5 ingredients and comes together in about 5 minutes. You probably have everything in your fridge already!

Let’s dive into how to make this sugar-free keto frosty that feels way too indulgent for how healthy it actually is.

What Is a Keto Frosty?

Think of it as a low-carb twist on the classic chocolate soft-serve dessert. Traditional fast-food frosties are made with sugar, milk, and all sorts of preservatives you probably don’t want in your body. This keto version skips all that and uses clean, simple ingredients like:

• Heavy cream

• Unsweetened cocoa powder

• Keto-friendly sweeteners (like allulose, erythritol, or monk fruit)

• Vanilla extract

• Ice

The result? A thick, creamy, frozen treat that fits perfectly into your macros—and keeps your sweet tooth satisfied.

Why You’ll Love This Recipe

• Tastes like the real thing – Without the carbs or sugar

• Takes 5 minutes – Seriously, that’s it

• Only 2.5g net carbs per serving – Yes, really

• No fancy equipment – Just a blender and some ice

• Kid-approved – My little ones think it’s a milkshake!

Ingredients You’ll Need

Here's everything you’ll need to make your Keto Chocolate Frosty at home:

• 1 cup heavy cream (or use full-fat coconut cream for dairy-free)

• 2 tbsp unsweetened cocoa powder

• 2–3 tbsp powdered erythritol or allulose (adjust to taste)

• 1/2 tsp vanilla extract

• 1 1/2 cups ice

Optional: a pinch of sea salt or a tablespoon of cream cheese for extra creaminess

🥄 How to Make a Keto Chocolate Frosty

Step 1: Blend the Ingredients

In a high-powered blender, combine the heavy cream, cocoa powder, sweetener, vanilla extract, and ice. Blend on high until the mixture becomes smooth, thick, and creamy. You’re looking for that frosty consistency—like a thick milkshake you can eat with a spoon.

Step 2: Adjust Sweetness

Taste it! If you want it sweeter or more chocolatey, you can add another tablespoon of sweetener or cocoa powder and blend again.

Step 3: Serve Immediately

Spoon into bowls or cups and enjoy right away. If you want to get fancy, top with sugar-free whipped cream or a few keto chocolate chips. (You deserve it.)

Texture Tip: Want It Extra Thick?

Here’s a trick: Add 1–2 tablespoons of cream cheese or 1/4 avocado before blending. It gives the frosty that super-rich mouthfeel without changing the flavor. You can also freeze the heavy cream in an ice cube tray beforehand and blend those frozen cream cubes with the rest of the ingredients for a true soft-serve consistency.

Nutrition Information (Per Serving – makes 2)

• Calories: 235

• Fat: 22g

• Protein: 2g

• Total Carbs: 5g

• Fiber: 2.5g

• Net Carbs: 2.5g

Ingredient Substitutions

Need to tweak this for allergies or pantry limitations? Try these swaps:

• Dairy-free: Use full-fat coconut cream instead of heavy cream

• Sweeter option: Use liquid stevia drops or monk fruit syrup

• More chocolate flavor: Use dark cocoa powder or add a few drops of chocolate extract

Can I Store It for Later?

This treat is best enjoyed fresh, but if you must save it, freeze the leftovers in an ice cube tray. When you're ready for round two, pop the cubes back in the blender with a splash of cream or almond milk and blend until smooth again.

Make It a Frosty Dessert Bar!

Want to impress your family or make this feel like a fun Friday night dessert? Set up a keto-friendly topping bar:

• Sugar-free whipped cream

• Keto chocolate syrup

• Lily’s chocolate chips

• Crushed pecans or walnuts

• Unsweetened coconut flakes

• Peanut butter drizzle

• A sprinkle of cinnamon

It’s the ultimate keto sundae experience—without any guilt.

Real Talk: Why I Love This Recipe

Honestly? I crave something chocolatey all the time. And when I started keto, I thought those cravings would never go away. But this frosty changed everything for me. It feels like I’m treating myself—but I’m actually staying on track. I whip one up after a long day, curl up on the couch, and indulge without the carb coma.

It’s also one of those recipes I share with my non-keto friends and they’re always SHOCKED that it’s low-carb. That’s a win in my book.

Reader Favorites

"Made this last night and my husband couldn’t believe it was keto. We both had one and didn’t feel guilty at all!" – Jessica M.

"My kids ask for these all the time now. It’s our new summer treat!" – Amber K.

"I added peanut butter and oh. my. goodness. Like a chocolate PB frosty dream!" – Melissa R.

Final Thoughts

If you’re looking for a quick, guilt-free chocolate fix that hits the spot and fits your macros, this Keto Chocolate Frosty is it. No weird ingredients, no cooking, no waiting. Just blend and enjoy.

Whether you’re following keto for weight loss, energy, or just to feel good in your skin—treats like this one make it easy to stick with it long term.

Keto Chocolate Frosty

Ingredients:

• 1 cup heavy cream (or coconut cream)

• 2 tbsp unsweetened cocoa powder

• 2–3 tbsp powdered erythritol or allulose

• 1/2 tsp vanilla extract

• 1 1/2 cups ice

• Optional: 1 tbsp cream cheese or a pinch of salt

Instructions:

1. In a high-speed blender, add heavy cream, cocoa powder, sweetener, vanilla, and ice.

2. Blend on high until thick and smooth. Add cream cheese for a thicker texture if desired.

3. Taste and adjust sweetness if needed.

4. Serve immediately with a spoon and optional keto toppings!