Keto Maple Candied Walnut Ice Cream: Creamy, Crunchy and Totally Sugar-Free

Ever stood in the freezer aisle, squinted at a tub of maple walnut, and sighed because the label reads like a sugar confession? 🍦 I have, more times than I’d like to admit. So I built a keto maple candied walnut ice cream that tastes like the posh parlour stuff, minus the blood sugar rollercoaster.

I grew up on a small farm in Ireland, where cream came from the dairy shed and nobody apologised for it. Then I spent years as a kid with a grumbling stomach and an appetite that never switched off, until a low carb diet finally calmed everything down. Real cream and real eggs? My gut loves them. 🥚🥛

This ice cream follows a ketogenic diet and a high-fat diet approach, so it keeps you in ketosis while it tastes like a proper indulgence. It also suits low carb, sugar-free, gluten-free, grain-free and vegetarian eating. Think of it as a treat or a late-night dessert, with a crunchy, buttery, caramelised walnut in every spoonful. 🍁🌰

If you’ve counted calories on the standard American diet for years, I get it… fat sounds scary. Stick with me, because this one proves that satisfying and sensible can share a bowl.

#KetoIceCream #MapleWalnutIceCream #KetoDessert #LowCarbTreats #SugarFreeIceCream #KetoRecipes #HomemadeIceCream #CandiedWalnuts #KetoSweets #HighFatLowCarb

JUMP TO RECIPE

The Quick Stats

• Prep time: 25 minutes
• Cook time: 25 minutes (plus 1–2 hours steeping, chilling, churning and freezing)
• Servings: 8
• Calories: about 340 per serving
• Macros: 33g fat, 5g protein, 4.3g total carbs, 1.1g fiber, 3.2g net carbs
• Fat-to-protein-plus-carb ratio: 7.9 to 1
• Difficulty: Easy to medium 🍨

What You’ll Need in Your Kitchen

An ice cream maker does the heavy lifting here. You don’t need a fancy compressor model. A budget Cuisinart under $60 works beautifully, and I’d start there if you’re new to this. 🙌

Here’s the full kit:

• Ice cream maker (freezer-bowl style is fine)
• Medium saucepan for the custard
• Small skillet or saucepan for roasting and candying the walnuts
• Fine mesh sieve for straining
• Large bowl and ice for the ice bath
• Whisk and silicone spatula
• Instant-read thermometer
• Spice grinder or blender to powder the sweetener
• Parchment paper
• Freezer-safe container

No machine? Try a no-churn method with whipped cream. The texture changes a little, but you still get a tasty result. 🍴

Ingredients for Keto Maple Candied Walnut Ice Cream

Dairy & Eggs 🥛

• 500 g (2 cups) heavy cream
• 300 g (1¼ cups) unsweetened almond milk
• 6 large egg yolks 🥚
• 14 g (1 tbsp) unsalted butter

Sweetener & Flavour 🍁

• 60 g (4 tbsp) Lakanto Gold monk fruit sweetener, ground to a powder
• 20 g (4 tsp) maple extract
• 3 g (½ tsp) fine salt
• 2.5 g (1 tsp) sunflower lecithin powder (optional, for extra creaminess)

Nuts 🌰

• 55 g (½ cup) walnut halves, dry roasted, to infuse the cream (you’ll discard these)
• 110 g (1 cup) walnuts, dry roasted, for candying

For the Candied Walnuts (optional but worth it) ✨

• 110 g (1 cup) roasted walnuts, from the list above
• 14 g (1 tbsp) unsalted butter
• 30 g (2 tbsp) Lakanto Gold monk fruit sweetener

Optional Extras

• A drizzle of Keto Maple Syrup for serving
• Flaky sea salt for sprinkling

Step-by-Step: From Toasty Walnuts to Scoopable Bliss

Roast and Candy the Walnuts

1. Dry roast all your walnuts. Heat a pan over medium heat and add both batches of walnuts. Cook only until they smell nutty and look slightly golden. You want flavour, not a dark brown crust.
2. Cool them fast. Tip the walnuts into a cool dish right away so they stop cooking. Then divide them into ½ cup (for infusing) and 1 cup (for candying).
3. Melt the butter and sweetener. Add the butter and 30 g of Lakanto Gold to a saucepan. Cook over medium-low heat, stirring now and then, until the sweetener dissolves completely.
4. Candy the nuts. Add the 1 cup of roasted walnuts and cook for 5–6 minutes. Stir and toss often so every piece gets coated.
5. Let them rest. Take the pan off the heat and let the walnuts cool in the buttery mixture for about 10 minutes. The coating crystallises as it cools.
6. Drain and dry. Scoop the walnuts into a small sieve, then spread them in a single layer on parchment. Let them cool completely.

Build the Maple Custard

1. Infuse the cream. Combine the heavy cream, almond milk and the ½ cup of roasted walnuts in a saucepan. Bring to a simmer over medium heat, then reduce the heat and cook for 5 minutes.
2. Steep for flavour. Turn off the heat and let the walnuts sit in the cream for 1–2 hours. This step builds the deep, nutty base.
3. Strain and discard. Pour the mixture through a fine mesh sieve. The walnuts will look mushy and taste like nothing, because the cream has stolen all their flavour. Bin them.
4. Reheat the cream. Bring it back to a gentle simmer. Hot cream makes tempering work.
5. Whisk the yolks. Whisk the egg yolks and powdered sweetener in a bowl until pale and fluffy.
6. Temper the eggs. Drizzle about 1 cup of hot cream into the yolks while you whisk nonstop. Repeat with a second cup, then pour in the rest.
7. Cook the custard. Pour everything back into the pot and add the salt. Cook over low to medium-low heat, whisking constantly, until it hits 170°F (77°C).
8. Add lecithin and strain. Remove the pot from the heat and whisk in the lecithin if you’re using it. Strain the custard through a sieve set over a bowl in an ice water bath.
9. Cool and flavour. Whisk now and then. Once the custard feels cool to the touch, stir in the maple extract.

Churn, Fold and Freeze

1. Chill your container. Put your storage container in the freezer while the custard cools.
2. Start the machine first. Turn the ice cream maker on, then slowly pour in the custard. Set it to the hardest setting if you have the option.
3. Churn. Expect 20–40 minutes, depending on your machine.
4. Fold in the walnuts. Chop the candied walnuts into small, uneven pieces. Add them during the last few minutes of churning. I use the full cup because I’m greedy. 😄
5. Freeze to set. Transfer the soft-serve to your chilled container. Freeze for 3–4 hours for classic scoopable texture.

Batch Cooking Tips

• Double the custard and churn in two rounds if your machine holds only a quart.
• Candy extra walnuts and keep them in a jar for snacking, salads and topping.
• Make the custard base a day ahead and keep it covered in the fridge. Churn it the next morning.
• Label each tub with the date. Future you will say thanks. 🙏

Serving It Up Like a Pro

Warm your scoop under hot water first. It slides through the ice cream and gives you neat, rounded balls. Serve in chilled bowls so the ice cream doesn’t melt before you finish photographing it. 📸

Top each scoop with a few whole candied walnuts, a pinch of flaky salt and a drizzle of Keto Caramel Sauce. That combination looks fancy and takes 30 seconds.

Flavour Enhancers

• A spoonful of crushed Keto Maple Walnut Fudge for double the maple
• A dusting of cinnamon
• Sugar-free dark chocolate shavings 🍫
• A tiny splash of bourbon in the custard, if you like grown-up flavours

When to Serve It

This works for dinner parties, Sunday afternoons, autumn gatherings and Friday-night movie marathons. It also makes a great layer in a Keto Ice Cream Cake for birthdays. 🎂

Save It for Later: Smart Storage Tips

Store the ice cream in a shallow, airtight, freezer-safe container. Glass or stainless steel keeps it coldest, while BPA-free plastic works fine too. Press a sheet of parchment directly onto the surface to stop ice crystals forming. ❄️

It keeps for up to 2 weeks in the freezer, though mine rarely lasts that long. After 3–4 hours it hits the perfect texture. Overnight, it firms up considerably, so let the tub sit on the counter for 10–15 minutes before scooping.

Candied Walnuts

Keep spare candied walnuts in an airtight jar at room temperature for up to a week. They stay crunchy and ready for toppings.

On-the-Go Options

Scoop single servings into silicone muffin cups, freeze them, then pop them into a zip bag. Grab one for a quick dessert or pack it in an insulated lunch bag with a cold pack. 🧊

Why This Keto Maple Candied Walnut Ice Cream Works

This recipe nails three things: velvety texture, real maple flavour and satisfying crunch. The egg yolk custard gives you the dense, creamy mouthfeel you expect from premium parlour ice cream. The sunflower lecithin keeps it smooth even after a few days in the freezer.

The walnut infusion is the secret. Steeping roasted walnuts in warm cream pulls out flavour that chopped nuts alone can’t deliver. Then the candied walnuts add the crunch. 🌰

Nutritional Insights

• Walnuts give you omega-3 fats (ALA), fibre and plant polyphenols.
• Egg yolks bring choline, vitamin D and B12.
• Heavy cream adds saturated fat that keeps you full and satisfied.
• Monk fruit sweetener adds sweetness without a glucose spike.

At just 3.2g net carbs per serving, this fits comfortably inside a ketogenic diet. Fat fuels your body, appetite settles, and you stop chasing snacks every two hours. For me, that steady energy was the real prize.

Notable Perks

• Sugar-free and gluten-free
• High in healthy fats
• Free from the preservatives and stabilisers in store-bought tubs
• Easy to customise

Here’s how it stacks up against the supermarket stuff:

• Store-bought maple walnut: 20g+ sugar per serving, gums and fillers
• This recipe: 1g sugar, 6 whole-food ingredients, full control 💪

Common Mistakes to Avoid

Ice cream looks simple, but a few slips can sink the batch. Here’s what I’ve learned by messing up so you don’t have to. 😅

• Scrambling the eggs. Whisk constantly while you pour the hot cream into the yolks. Go slowly, especially with the first cup. 🥚
• Overcooking the custard. Pull it at 170°F (77°C). Hotter than that and you’ll get a grainy texture.
• Burning the walnuts. They go from golden to bitter fast. Watch them like a hawk and pull them when they smell toasty.
• Skipping the ice bath. A quick chill stops the cooking and prevents a skin on top.
• Adding extract to hot custard. Heat evaporates the flavour. Wait until the custard cools to the touch.
• Pouring custard into a cold, motionless machine. Start the churn first, then pour in slowly.
• Using warm storage containers. Chill your tub so the ice cream doesn’t melt on contact.
• Using a gritty sweetener. Grind the Lakanto Gold into a fine powder or you’ll feel crunchy crystals. ✨

Swaps, Substitutions and Variations

Want to tweak? Here’s what works and what I’d skip.

Ingredient Swaps

• Pecans instead of walnuts: Sweeter and buttery. Try my Keto Butter Pecan Ice Cream for inspiration.
• Allulose or erythritol blend instead of Lakanto Gold: The flavour changes slightly, but both work. Allulose keeps the texture softer.
• Coconut cream and coconut milk for a dairy-free option. Expect a mild coconut note.
• Skip the lecithin: The ice cream will still taste great but may firm up more in the freezer.

Budget Options

• Buy walnuts in bulk and roast at home.
• Use store-brand heavy cream.
• Skip the candying step and use plain roasted walnuts.
• Pick a basic ice cream maker over a pricey compressor model.

Adjust for Your Goals

• Lower calorie: Replace part of the cream with unsweetened almond milk, but expect icier results.
• Higher protein: Stir in a scoop of unflavoured collagen peptides when the custard cools.
• Extra fat for ketosis: Add a tablespoon of MCT oil while churning. 🥄

Your Questions, Answered

Q: Can I make this without an ice cream maker?

A: Yes. Freeze the cooled custard in a shallow pan and whisk every 30–45 minutes for a few hours. The texture comes out denser, but the flavour stays on point.

Q: Why do I steep the walnuts for so long?

A: Walnuts release flavour slowly into warm cream. One to two hours gives the best nutty depth.

Q: Can I skip the candied walnuts?

A: Absolutely. Plain roasted walnuts work fine. The candying adds crunch and a caramel note, so I’d do it if you have 15 spare minutes.

Q: Is maple extract really keto?

A: Yes. It delivers maple flavour with virtually no carbs, unlike real maple syrup, which spikes blood sugar.

Q: How do I know the custard is done?

A: Use a thermometer and aim for 170°F (77°C). It should also coat the back of a spoon.

Q: Can I use whole eggs instead of yolks?

A: I wouldn’t. Yolks give the rich, creamy body. Whites would thin it out and add ice crystals.

Q: Will this stay creamy for days?

A: With the lecithin, yes. Without it, let the tub soften on the counter for a bit before scooping.

Final Thoughts

This keto maple candied walnut ice cream gives you creamy custard, buttery crunch and real maple flavour with just 3.2g net carbs a serving. It slots neatly into a ketogenic diet, tastes like the expensive tub, and costs far less. 🍨

If you’re brand new to this way of eating, start with my Keto Diet for Beginners guide, then come back and treat yourself. Honestly, I’d say it’s the best argument for low carbohydrate diet living I’ve ever eaten with a spoon. 🥄🍁

Next Recipes to Try

Craving more frozen treats and maple-nutty goodness? These are next on my list:

• Keto Pecan Pralines 🌰
• Keto Maple Scones 🍁
• Keto Chocolate Ice Cream 🍫
• Keto Strawberry Ice Cream 🍓

keto maple candied walnut ice cream

Prep Time: 25 minutes

Cook Time: 50 minutes

Additional Time: 7 hours

Total Time: 8 hours 15 minutes

Rich, creamy keto maple walnut ice cream with a roasted walnut-infused custard base and crunchy sugar-free candied walnuts. Only 3.2g net carbs per serving.

No Ratings

Print

Ingredients

• 500 g (2 cups) heavy cream
• 300 g (1 1/4 cups) unsweetened almond milk
• 6 large egg yolks
• 60 g (4 tbsp) Lakanto Gold monk fruit sweetener, ground to a powder
• 55 g (1/2 cup) walnut halves, dry roasted (for infusing)
• 3 g (1/2 tsp) fine salt
• 20 g (4 tsp) maple extract
• 2.5 g (1 tsp) sunflower lecithin powder (optional)
• 110 g (1 cup) walnuts, dry roasted (for candying)
• 14 g (1 tbsp) unsalted butter
• 30 g (2 tbsp) Lakanto Gold monk fruit sweetener (for candying)

Instructions

1. Roast the Walnuts: Dry roast all walnuts in a pan over medium heat until fragrant and slightly golden. Transfer to a cool dish. Divide into 1/2 cup and 1 cup.
2. Candy the Walnuts: Melt 1 tbsp butter with 2 tbsp Lakanto Gold over medium-low heat until dissolved. Add 1 cup roasted walnuts and cook 5-6 minutes, tossing often. Remove from heat and cool in the mixture for 10 minutes. Drain and spread on parchment to cool completely.
3. Infuse the Cream: Combine heavy cream, almond milk and 1/2 cup roasted walnuts in a saucepan. Bring to a simmer, reduce heat and cook 5 minutes. Turn off heat and steep 1-2 hours.
4. Strain: Pour through a fine mesh sieve and discard the walnuts. Reheat the cream to a simmer.
5. Temper the Eggs: Whisk egg yolks with powdered Lakanto Gold until pale. Slowly whisk in 1 cup hot cream, then a second cup, then the rest.
6. Cook the Custard: Return to the pot, add salt, and cook over low heat, whisking constantly, until 170°F (77°C).
7. Strain and Cool: Remove from heat, whisk in sunflower lecithin if using, and strain into a bowl set over an ice bath. Whisk occasionally. When cool to the touch, stir in maple extract.
8. Churn: Start the ice cream maker, then slowly pour in the custard. Churn 20-40 minutes on the hardest setting.
9. Add Walnuts: Chop the candied walnuts and fold them in during the last few minutes of churning.
10. Freeze: Transfer to a chilled container and freeze 3-4 hours until scoopable. Soften on the counter if frozen overnight.

Notes

Grind the Lakanto Gold into a fine powder to avoid gritty texture. Do not exceed 170°F when cooking the custard. Sunflower lecithin is optional but keeps the ice cream creamy for days. Add maple extract only after the custard cools. Keeps up to 2 weeks in the freezer. Macros: 4.3g total carbs, 1.1g fiber, 3.2g net carbs per serving. Fat ratio 7.9 to 1.

Nutrition Information

Yield 8 Serving Size 1/2 cup
Amount Per Serving Calories 340Total Fat 33gSaturated Fat 16gTrans Fat 0gUnsaturated Fat 15gCholesterol 220mgSodium 120mgCarbohydrates 4.3gNet Carbohydrates 3.2gFiber 1.1gSugar 1gProtein 5g