5 from 1 vote

Slow Cooker Dulce de Leche

Slow Cooker Dulce de Lecheย is probably the easiest homemade dulce de leche method there is. It does take much longer than the Instant Pot version, but the tradeoff is that you can mostly leave it alone while it cooks. I like this method when Iโ€™m already home doing other things and donโ€™t feel like dealing with pressure cooking.

The texture comes out thick, smooth, and rich, especially after a full 8 hours on high. Itโ€™s great forย cakes,ย cupcakes, macarons, cheesecakes, and anywhere you want a thick dulce de leche that holds its shape well.

Before we get into it, letโ€™s quickly talk about the question everyone always has: is it safe to cookย condensed milkย in the can in a slow cooker?

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Iโ€™ve been making dulce de leche this way for years. The important part is making sure the can stays fully submerged in water the entire time, using a can that isnโ€™t dented or damaged, and allowing it to cool completely before opening.

If you donโ€™t feel comfortable with this method, you can always make dulce de leche using theย oven methodย instead. I also have an entire dedicated guide to all the methods. Check it out here!

Why I Like This Method

There are several ways to make dulce de leche at home, and each one gives slightly different results.

Hereโ€™s why I still like the slow cooker version:

  • Very little hands-on work
  • Thick, smooth texture
  • Easy to make ahead
  • Great for fillings and frostings
  • You can cook multiple cans at once depending on your slow cooker size

What You Need

You only need a few things:

  • Sweetenedย condensed milk
  • A slow cooker orย crockpot
  • Water

Thatโ€™s it. I usually use Eagle Brand or La Lecheraย condensed milk, but any standard 14-ounce can should work.

I also find this method less stressful than stovetop cooking because Iโ€™m not constantly checking a simmering pot.

How to Make Slow Cooker Dulce de Leche

The fullย recipeย card is below, but hereโ€™s exactly how I make it.

Step 1: Remove the Label and Inspect the Can

Peel the paperย labelย off the can completely. Keep the can sealed.

I always check the can carefully before cooking. If itโ€™s dented or damaged, donโ€™t use it for this method.

Step 2: Add to the Slow Cooker

Place the can in the slow cooker and fill it with water until the can is fully submerged.

I like to keep a fewย inches of waterย above the can just to be safe.

s it safe to cook a can of sweetened condensed milk to make dulce de leche?

Step 4: Cook

Cook on high for 8 hours. This is one of thoseย recipesย where time really affects texture. After 8 hours, the dulce de leche becomes thick, deeply caramelized, and smooth.

I have been making dulce de leche by cooking a can of sweetened condensed milk for many years now.

Step 5: Cool Completely

Turn the slow cooker off and let the can cool down fully inside the water before removing or opening it. I usually let it sit for several hours.

Never try opening the can while itโ€™s still hot.

Once itโ€™s cool to the touch, open the can and use it in your favorite sweet recipes!

A Few Important Tips

Thisย recipeย is simple, but these details are important:

  • Keep the can submerged the entire time
  • Check the water level occasionally
  • Donโ€™t use damaged cans
  • Let the can cool completely before opening

Iโ€™ve found the texture also depends a bit on the slow cooker itself. Some run hotter than others, so if your dulce de leche turns out lighter than expected the first time, you may just need slightly moreย cooking timeย next round.

Once chilled, it becomes even thicker and holds up very well inย desserts.

Ways to Use Dulce de Leche

Some of my favorite ways to use dulce de leche are in layered cakes, cookies, pastries, and creamy desserts. It adds a rich caramel flavor and silky texture that works with everything from chocolate to fruit. Here are a few of the recipes and desserts I make with it most often:

  • Alfajores โ€“ Classic South American sandwich cookies filled with dulce de leche and rolled in coconut or powdered sugar.
  • Dulce de Leche Cake โ€“ Soft cake layers paired with dulce de leche frosting or filling for an ultra rich caramel dessert.
  • Dulce de Leche Cheesecake โ€“ Swirled into cheesecake batter or layered on top for a creamy caramel flavor.
  • Cupcakes โ€“ Perfect for filling vanilla or chocolate cupcakes and pairing with buttercream frosting.
  • Macaron Fillings โ€“ One of my favorite macaron fillings because itโ€™s smooth, rich, and pairs beautifully with chocolate, coffee, banana, or cinnamon shells, or just make Dulce de Leche Macarons.
  • Brownies โ€“ Swirled into brownie batter for pockets of gooey caramel throughout.
  • Cookies โ€“ Great stuffed inside cookies or sandwiched between two buttery cookies.
  • Donuts โ€“ A delicious filling for homemade brioche or cake donuts.

Itโ€™s also incredibly good straight from the fridge with sliced bananas or apples for an easy snack or dessert.

Finished alfajor cookies filled with dulce de leche and drizzled with chocolate, arranged on a wooden board.

FAQ

How long does it take to make dulce de leche in the slow cooker?

I cook it on high for 8 hours, then let it cool completely before opening.

Can I cook multiple cans at once?

Yes, depending on the size of your slow cooker. Just make sure all the cans stay fully submerged.

Why is my dulce de leche too thin?

It likely needs moreย cooking time. Different slow cookers run at different temperatures.

How do I store dulce de leche?

I store dulce de leche covered in theย refrigeratorย for up to 2 weeks. You can also freeze it in an airtight container for up to 2 months. It also doesnโ€™t freeze completely solid, so you can scoop it straight from the freezer.

More Dulce de Lecheย Recipes

If you liked thisย recipe, check out the other ways you can make Dulce de Leche. You can use an oven, on the stove, and an Instant Pot! If youโ€™re looking for ways to use the dulce de leche, try Salted Dulce de Leche Cupcakes, Dulce de Leche Apple Cake, or Dulce de Leche Bars.

slow cooker dulce de leche made out of a can of condensed milk.

Slow Cooker Dulce de Leche

Camila Hurst
Slow Cooker Dulce de Leche is an easy way to make dulce de leche from a can of condensed milk!
5 from 1 vote
Prep Time 5 minutes
Cook Time 8 hours
Cooling down time 6 hours
Total Time 14 hours 5 minutes
Course Dessert
Cuisine Latin
Servings 1 cups
Calories 60 kcal

Ingredients
 

  • 1 14 oz. can sweetened condensed milk 396 grams

Instructions
 

Slow Cooker Dulce de Leche
  • Remove the label of the can. Keep the can sealed.
  • Inspect the can to ensure it doesnโ€™t have any dents.
  • Place the sealed can in a slow cooker filled up with water to capacity.
  • Cook the can on high for 8 hours.
  • Ensure the can is covered by water at all times.
  • Turn the slow cooker off.
  • Let the can cool down all the way in the water before removing and opening, which may take a few hours.
Storage
  • Store dulce de leche covered, in the fridge for up to 15 days. Store packaged tightly in the freezer for 1 to 2 months.

Notes

Quantity: depending on the size of the slow cooker you can cook a couple of cans at a time.
Water: ensure the can is covered by water at all times.
Cool down: make absolute sure the can of condensed milk has cooled down completely before removing from the water and opening it.

Nutrition

Serving: 1tbspCalories: 60kcal
Keyword dulce de leche
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3 Comments

  1. 5 stars
    Made this today to fill some macaronsโ€ฆ.so easy and very, very tasty. I was pleasantly surprised at how well it piped. Will definitely use this method again. Thanks for sharing this method.