I’m a coffee freak and an ice cream lover—which used to be a metabolic disaster waiting to happen.
I tried low-carb “ice creams” before… and most were sad, icy messes that either froze into concrete or tasted like sweetened air.
This one finally nailed it.
Real custard base. Real coffee flavor. Real scoopable satisfaction, without the sugar crash.
💡 WHY THIS RECIPE WORKS
The Secret Behind This Low-Carb Win
- Custard base = creamy texture – Egg yolks add richness and emulsify everything so you’re not left with an icy brick.
- Almond milk + cream – Lightens the carbs but keeps it lush. Straight heavy cream alone gets too dense.
- Instant coffee = bold flavor – No brewing, no watering down the base. Just pure coffee punch.
- Sugar-free vanilla syrup – Sweetness and extra flavor without the hidden carbs that ruin your day.
🧾 INGREDIENTS THAT KEPT IT KETO
- 5 large egg yolks – Adds fat, emulsifies the mix, and keeps it silky. (Bonus: yolks = nearly zero carbs.)
- ½ cup sugar-free vanilla syrup – Make sure it’s actually sugar-free (look for sucralose or erythritol, NOT maltitol).
- Pinch of sea salt – Balances the sweet and sharpens the coffee flavor.
- 1½ cups unsweetened almond milk – Keeps carbs low and thins the mixture so it churns properly.
- 1 cup heavy cream – The fat bomb part that makes it indulgent.
- 2 tbsp instant coffee – Strong flavor without messing with your water content.
🔁 KETO SWAPS THAT ACTUALLY WORK
- No almond milk? Swap for unsweetened macadamia milk for even fewer carbs. (It’s richer, but a little pricier.)
- Different sweeteners: You can sub allulose or a monk fruit blend, but you may need to tweak amounts to taste.
- Want stronger coffee flavor? Use 1 extra tablespoon of instant coffee (I do when I’m feeling extra).
Heads up: If you swap almond milk for coconut milk, the texture will get slightly icier.
⚠️ KETO MISSTEPS AND HOW I FIXED THEM
What Went Wrong | Why It Happens | How to Fix It |
---|---|---|
Ice cream turned rock hard | Keto custards freeze harder | Let it thaw 5-10 min before scooping |
Scrambled eggs in the base | Too much heat, too fast | Whisk constantly and pour slowly |
Ice cream didn’t churn properly | Mixture wasn’t cold enough | Chill the custard at least 4 hours |
👩🍳 HOW TO MAKE IT (STEP-BY-STEP)
- Whisk the egg yolks with sugar-free vanilla syrup and a pinch of salt until smooth and light.
- Heat the almond milk, cream, and coffee over medium until it just barely simmers.
(You want little bubbles, not a rolling boil.) - Temper your yolks by slowly drizzling the hot mixture into the eggs while whisking like your macros depend on it.
- Cook the custard back on low heat, stirring constantly, until it hits 170°F/76°C. It should coat the back of a spoon.
- Chill it down—refrigerate at least 4 hours or overnight.
- Churn it in a fully frozen ice cream maker bowl until soft-serve thick.
- Freeze it if you want it scoopable like traditional ice cream.
Macro Hack: I portion it into 6 servings (~½ cup each) so tracking is stupidly easy.

🧠 KETO COOKING TRICKS THAT HELP
- Pre-freeze your ice cream bowl for at least 24 hours—no cheating. Semi-frozen bowls = sad soup.
- Use room-temp yolks for a smoother custard (cold yolks shock and scramble faster).
- Add instant coffee AFTER heating milk if you want more of a mocha swirl vibe.
🧊 HOW I STORE AND TRACK IT
- Store in an airtight container in the freezer for up to 3 months.
- Before scooping, let it sit on the counter 5-10 minutes—it’ll soften to perfect creamy glory.
- Track it:
- Calories: 195
- Net Carbs: 2.8g (Total carbs 3.1g – Fiber 0.3g)
❓ REAL KETO QUESTIONS, REAL ANSWERS
Will this spike my blood sugar?
👉 Not likely—super low in net carbs, and no real sugars.
Can I use brewed coffee instead of instant?
👉 Don’t. It waters down the mix and messes up texture.
Is the ice cream maker absolutely necessary?
👉 Honestly…yes. No-churn versions just don’t come out as creamy in keto recipes. (Unless you want slush.)
Nutrition Facts
Serving Size: ½ cup (approximately 66 grams)
Nutrient | Amount |
---|---|
Calories | 195 kcal |
Total Fat | 19.1 g |
• Saturated Fat | 10.7 g |
• Trans Fat | 0 g |
Cholesterol | 192 mg |
Sodium | 60 mg |
Potassium | 123 mg |
Total Carbohydrate | 3.1 g |
• Dietary Fiber | 0.3 g |
• Sugars | 0.1 g |
Net Carbs | 2.8 g |
Protein | 3.5 g |
Check out More Recipes:
- Low Carb Keto Chocolate Ice Cream
- Low Carb Keto Ice Cream
- Low Carb Keto Mason Jar Ice Cream
- Low Carb Keto Strawberry Ice Cream (Sugar-Free)

Low Carb Keto Coffee Ice Cream
Description
Creamy, bold, and low-carb coffee ice cream made with real egg custard—rich flavor without the sugar spike. Perfect for keto cravings!
Ingredients
Instructions
- In a medium bowl, whisk egg yolks, syrup, and salt until smooth.
- In a saucepan, whisk almond milk, heavy cream, and coffee. Heat until simmering.
- Slowly whisk hot mixture into yolks.
- Return to saucepan; cook over low until 170°F.
- Refrigerate custard until very cold (4 hours minimum).
- Churn in ice cream maker until soft-serve consistency.
- Freeze for firmer texture if desired.