Sugar Free Condensed Milk

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published April 8, 2023 • Updated February 19, 2026

Thick, creamy sweetened condensed milk with zero sugar!

This post may contain affiliate links. See my disclosure policy.

This sugar free condensed milk is an easy replacement you can make in 30 minutes using only three ingredients! Now you can enjoy all your favorite recipes that call for sweetened condensed milk, from pies to fudge to homemade ice cream.

Traditional home bakers have it easy. If they want to make homemade fudge, easy ice cream or pies, they can simply open a can of sweetened condensed milk from the grocery store. But if you’re eating low carb, there isn’t a ready-made option to buy.

A spoon inside the thick, creamy, caramel colored sweetened condensed milk.

Instead, I make my own sugar free condensed milk when I want confection favorites like homemade caramels or key lime pie.

Store-bought sweetened condensed milk brands can contain corn syrup, sugar, milk solids or vegetable oils. This version of thick, creamy sweetened milk suddenly doesn’t sound appealing.

It’s easy to make and you don’t have to spend hours in the kitchen or buy expensive ingredients. All you need is butter, sugar-free sweetener and heavy cream or ultra-filtered whole milk. That’s it! Once it thickens up in the refrigerator, it becomes that irresistible, caramel-colored sweetened cream perfect for pies, tarts, and cheesecakes that adds incredible richness and creaminess to the filling. Or try it in your coffee or tea for a creamy, indulgent treat!

KetoFocus fans think it’s the BEST!!

“I actually made this a few weeks ago. To be honest, I don’t even remember why I made it. I was going to use it for some recipe I didn’t end up making. Yet it was so freaking good I ended up eating it on other things. It’s awesome on keto toast, on blueberries, or to be perfectly honest, it’s nearly impossible to not just shovel spoonfulls right into your mouth, it’s that freakin good. Mine only lasted about 4 days in the fridge before it was all gone.”

➥ from YouTube subscriber @pumpkinheadghoul

 

“I make this milk all the time. Love it! I make coconut candy with almonds and a drizzle of chocolate on top using unsweetened coconut milk. It’s so good.”

➥ from YouTube subscriber @judystites9575

 

How to make sugar free condensed milk

Besides only using three ingredients, this homemade condensed milk recipe is made in one pot. I add all the ingredients at once and walk away. No constant stirring required.

  1. Add ingredients – Add unsalted butter, powdered sugar-free sweetener and whole milk or heavy whipping cream to a medium saucepan.
  2. Heat mixture over medium heat until mixture boils.
  3. Reduce heat to low and simmer over the stovetop for about 25-30 minutes or until the mixture thickens.
  4. To thicken – Remove from heat. Pour into a mason jar or storage container. Let sit at room temperature for 30 minutes to cool before transferring to the refrigerator to thicken for 2 hours.

 

Key ingredients & substitutions

  • ButterUnsalted butter is best as salt isn’t necessary in sweetened condensed milk. Since this thick, creamy milk is used to sweeten candies and cream, add salt to that recipe instead of the condensed milk. This way you can control the level of saltiness.
  • Sugar free sweetener – Use powdered sweetener as it dissolves easily into the mixture. Allulose is the preferred sugar-free sweetener as it doesn’t crystalize when it cools unlike powder sweeteners made with erythritol.
  • Milk or cream – For the lowest sugar whole milk, look for one that is ultra-filtered which means that most of the natural lactose sugars have been removed. Fairlife milk is ultrafiltered and has 6 grams of carbs per cup. If using whole milk, add 1/3 cup of heavy cream to the mixture so the condensed milk cooks quickly without scorching. Heavy whipping cream is another option. This increases the fat content and still contains carbs. Since 1 tablespoon of heavy whipping cream contains 0.3 g carbs, one cup of heavy cream has 4.8 g carbs. Canned coconut milk is the best substitute for a dairy free condensed milk. Instructions are below.
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Recipe
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Sugar Free Condensed Milk

5 (5) Cook 30m Total 30m 8 servings

Ingredients

Step by Step Instructions

Step by Step Instructions

1
Bring to a boil

Add butter, sweetener and milk or cream to a heavy bottom saucepan. Bring to a boil over medium heat while stirring occasionally.

A saucepan filled with cream and butter boiling over a stovetop burner.
2
Simmer until thickened

Reduce heat to low and simmer the mixture for 25-30 minutes or until the mixture has thickened and can coat the back of a spoon.

A hand holding a spoon of caramel colored condensed milk over a saucepan.
Tip Stir mixture occasionally and scraping the sides continuously to prevent a milky buildup from forming around the sides.
3
Refrigerate

Remove from the heat and pour into a storage container or mason jar. Let cool at room temperature for 30 minutes before transferring the keto condensed milk to the refrigerator to cool for 2 hours. Mixture will thicken as it cools. If mixture appears chunky, strain through a wire mesh first.

Pouring sugar free condensed milk into a mason jar.
Tip When ready to use, bring to room temperature. If the sweetened condensed milk is too thick, add a little bit of water to help thin it out.
Nutrition Per Serving 2 tablespoons
139 Calories
14.1g Fat
0.6g Protein
0.6g Net Carbs
0.6g Total Carbs
8 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Sugar Free Condensed Milk

Frequently Asked Questions

Can I substitute granulated sugar free sweetener with the powdered sweetener?

When it comes to sugar free sweeteners, some won't dissolve when mixed or heated. To avoid making your homemade sweetened condensed milk grainy, use a powdered or confectioner's sweetener.

Can I use low-fat milk instead of whole milk?

Low fat milk is higher in sugar compared to whole milk or cream. If you want the lowest sugar condensed milk, use whole milk. Unless you are able to find a low-fat milk that is ultrafiltered to remove some of the sugars, like FairLife Fat-Free Milk which contains only 6 g sugars per cup.

What's the difference between condensed milk and evaporated milk?

The main difference between condensed milk and evaporated milk is the amount of sugar they contain. Condensed milk is sweetened with sugar, while evaporated milk is unsweetened. Condensed milk is also thicker since it contains less water.

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A bowl filled with sugar free sweetened condensed milk has a spoon rest on top.

What is sweetened condensed milk?

Sweetened condensed milk is a thick, sweet milk-based syrup that comes in a can from the grocery store. You’ll find it in many recipes for desserts and baked goods. It is made by heating milk to remove most of the water content, then adding sugar to sweeten and thicken it into a syrupy consistency.

The process of making sweetened condensed milk involves adding sweetener to milk or milk solids. Then evaporating about 60% of the water content from the milk, which concentrates its flavor and sugars. The resulting mixture is a smooth, creamy syrup with notes of caramel (produced from heating the sugars and milk).

What pot should you use to make sweetened condensed milk

When making sweetened condensed milk, use a heavy-bottomed saucepan or pot. A heavy-bottomed pot distributes heat evenly and prevents the milk or cream from scorching or sticking to the bottom, which causes a burnt taste, curdled chunks and ruins your batch.

A saucepan with a non-reactive surface, such as stainless steel or enamel-coated cast iron, is recommended. Avoid using aluminum or copper pots as they can react with the acid in the milk and affect the flavor.

Choose a pot that is large enough to hold the milk and sweetener mixture comfortably, with some room for expansion as the mixture heats up, simmers and thickens. A 2-quart or 3-quart pot should be sufficient for this recipe.

A spoon dripping condensed milk over an rustic cup with a drip of syrup coming down the side.

How to tell sweetened condensed milk is ready

Knowing when the sugar free sweetened condensed milk is ready is crucial to the success of the recipe; otherwise, you risk burning the sweetened thickened cream. Generally, sweetened condensed milk is ready when it has thickened and reduced in volume, and has a light caramel color.

The easiest way to tell if your mixture is ready to pull from the burner, do the spoon test.

  1. Dip a spoon into the mixture.
  2. Then run your finger across the back of the spoon.
  3. If the mixture leaves a distinct trail on the spoon and doesn’t immediately fill in, it’s ready.

Once the sweetened condensed milk is ready, remove it from the heat and let it cool before transferring it to a container for storage. The condensed milk will thicken further as it cools. If it’s too thick, just add a little warm water to thin it out.

What recipes can I use sweetened condensed milk in?

Many recipes call for a can of sweetened condensed milk in place of milk, cream or sugar. It’s my shortcut ingredient for making fudge, caramels, even ice cream.

Here are some low carb recipes that use sugar free condensed milk:

Ways to modify your condensed milk

This sweetened condensed syrup is perfect as is but here are some suggestions on ways you can modify it for different flavor or texture.

Add more notes of caramel

In addition to the allulose, add a brown-sugar free sweetener like Brown Swerve or Truvia Sweet Complete Brown Sugar Replacement. Or instead of adding more sweetener, add a teaspoon or two of molasses.

Thicker texture

This sweetened condensed milk will thicken as it cools, but if you need it to be thicker when warmed or at room temperature, try adding some powdered milk.

Make it dairy free

To make dairy free sweetened condensed milk, you can use a can of full-fat coconut milk and follow the same basic process as you would with dairy milk.
  1. Heat the coconut milk, sweetener and ghee or vegan butter in a saucepan over medium heat until it has reduced.
  2. Continue to stir until the mixture has thickened and developed a caramel color.
Keep in mind that the flavor and consistency may differ slightly from traditional dairy-based condensed milk.

Storage information

Refrigerator

Homemade sweetened condensed milk stores well in an airtight container in the refrigerator for up to 2 weeks. Sweetened condensed milk will thicken and become even more viscous as it cools in the refrigerator, so you might need to add a little warm water to thin it out before using it in recipes. Heating the mixture in a warm water bath will help to thin it out as well.

Homemade sweetened condensed milk doesn’t contain preservatives like store-bought varieties, so use it within a reasonable timeframe to ensure freshness and prevent spoilage. If the sweetened condensed milk develops an off odor, flavor, or appearance, discard it.

Freezer

If you plan to store the sweetened condensed milk for longer than 2 weeks, it is recommended that you freeze it. Sweetened condensed milk can be frozen for up to 3 months. To freeze, transfer the sweetened condensed milk to a freezer-safe container and label with the date. Thaw the sweetened condensed milk in the refrigerator overnight before using it.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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  1. A
    Amber C. Mar 3, 2026

    This is probably my fifth batch and I think I finally cracked it (took me a while). The first few times I used heavy cream and it worked but came out so thick I had to thin it down when mixing it into things. Switched to the ultra-filtered milk and it's actually more versatile for me, mixes into batters without clumping or separating. I also started pulling mine at 28 minutes instead of 30 because it was getting a little darker at the edges on my stovetop and the texture was better slightly earlier. The other thing I noticed is it firms up a lot more in the fridge than it looks like it will in the pan, so if it seems a little loose when you pour it out that's probably fine. I keep a jar in the fridge now and pulled it out last week to make a fudge and it worked exactly like I hoped.

  2. R
    Rachel Feb 25, 2026

    I used to make key lime pie every summer with a can of condensed milk and it was one of the first things I missed going keto. Tried this batch last week and it thickened up nicely at about 27 minutes. First key lime pie in two years is happening this weekend.

    1. Annie Lampella
      Annie Lampella Feb 26, 2026

      27 minutes is right in range. Key lime pie coming back after two years is a big deal. Post back after the weekend.

  3. R
    Renee Feb 21, 2026

    Made this last week for the first time and it came out really well, but I'm still not sure when to pull it. Mine went about 28 minutes, still looked pretty thin in the pan, then thickened up once it hit the fridge. Is that normal, or should it be visibly thickening on the stove before I take it off? Just want to know what to look for so I'm not standing there guessing next time.

    1. Annie Lampella
      Annie Lampella Feb 21, 2026

      That's normal. It won't look thick coming off the stove, the fridge finishes the job. On the stove you're just watching for volume reduction, roughly half of what you started with, and it should coat the back of a spoon. Run your finger across and if the line holds, pull it.

  4. M
    Marcus Feb 15, 2026

    Didn't think this would work but it did. Used the heavy cream version and it thickened up just like it's supposed to.

    1. Annie Lampella
      Annie Lampella Feb 15, 2026

      The cream version is way more forgiving. I use it for fudge because it thickens faster and doesn't need as much stirring.

  5. J
    JK Brown Oct 7, 2024

    I tried this but using a microwave. I followed the microwave directions in the video
    "Ultimate Clotted Cream - From Any Cream In 15 Minutes" but with these ingredients. It worked quite well. I did go past sweetened condensed milk stage to make a keto dulce de leche using allulose. I did get splatter on the 3rd 5-min heating. I then did a 4th 5-min at 80%(to limit splatter) for the dulce de leche.

    You use a wide pan (such as 8x8 glass pan) no more than 1/3rd full. Careful to use a spatula to disturb/stir after microwaving to safely release the superheated spots that will boil up on you if you disturb the pan by lifting it.

    1. Annie Lampella
      Annie Lampella Oct 13, 2024

      Going past condensed milk to make dulce de leche is clever. Allulose is the only sweetener that caramelizes so that was the right pick. That superheating thing is real, I've been caught by it stirring too fast.

  6. D
    Deanna Pisano Apr 25, 2023

    I have that exact same spoon

    1. Annie Lampella
      Annie Lampella Apr 27, 2023

      Ha, that spoon has been in more videos than I can count.

  7. M
    Margret Apr 15, 2023

    This looks wonderful and I'm excited to try it. However, under the dairy free directions, you still add butter, which means it isn't dairy free. Would ghee and coconut cream work for this? Or butter flavored coconut oil? Just wondering if you've tried either of those?
    Thank you for all the work you put into your videos for all of us.

    1. Annie Lampella
      Annie Lampella Jan 9, 2024

      Oops that was a typo. Yes, use ghee.

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