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Crock Pot Dulce de Leche

Dulce de Leche made in a crock pot is the easiest way to make caramel sauce ever. Only one ingredient needed – sweetened condensed milk. All it takes is 8 to 10 hours in the crock pot and you have dulce de leche that’s milky and smooth, much better than store bought.

Crock Pot Dulce de Leche

Making homemade caramel sauce is also much cheaper than store bought. I used 2 (14-ounce) cans of sweetened condensed milk and filled 3 mason jars with it. Note: some people make dulce de leche by putting the unopened cans of sweetened condensed milk in the crockpot, but it is much safer to transfer the sweetened condensed milk to mason jars.

slow cooker dulce de leche

Screw the lids on tightly and place them in your crock pot. Cover with 1 inch of hot tap water, place the lid on, and cook on LOW for 8-10 hours. How easy is that?

Crock Pot Dulce de Leche - so easy! Only 1 ingredient.

My jars were a little on the tall side and I could only get the water up to the top of the lid. I ended up cooking two of the jars upright and 1 on its side to  compare and they both came out perfectly. It is best to use mason jars that are short and wide like these Jarden Home Brands 1/2Pt wide Mouth Jar Canning Jars.

Easy Crock Pot Dulce de Leche. Only 1 ingredient!

Cook them for 8 hours for a lighter, more pourable sauce and closer to 10 hours for a darker, thicker dulce de leche. I did mine for about 8 1/2 , but you can get the sauce much darker and almost custard-like if you cook it longer.

Crock Pot Dulce de Leche. Only 1 ingredient needed to make this super delicious sauce you will want to put on all your desserts!

The jars should be cooled on the counter to room temperature and then stored in the refrigerator where they will keep for at least a few weeks. It probably won’t be long before it’s all gone though because Crock Pot Dulce de Leche tastes good on so many things. Use it on ice cream, cheesecake, or as a dipping sauce for fruit. Tomorrow I’ll be sharing an apple fritter recipe that it tastes wonderful with.

Dulce de Leche sauce made in the slow cooker. So easy and delicious and only 1 ingredient needed!


Crock Pot Dulce de Leche

Crock Pot Dulce de Leche

Easy dulce de leche made in the crock pot. Only 1 ingredient needed for this creamy and smooth caramel sauce.
PREP: 5 minutes
COOK: 8 hours
TOTAL: 8 hours 5 minutes


  • 2 (14-ounce) cans sweetened condensed milk
  • 3 (8-ounce) Mason jars


  • Pour the sweetened condensed milk into the Mason jars, filling to the top. Tightly screw lids on.
  • Place upright in a large crock pot. Pour hot tap water into the crock pot to cover the jars. There should be about 1 inch of water above the lid of the jars.
  • Place lid on crock pot and cook on LOW for 8 to 10 hours, depending on how dark and thick you want it.
  • Carefully remove jars from crock pot using tongs. Place on counter and let cool to room temperature. A little rust may form on the lids. If so, wipe it off with a paper towel.
  • Store in the refrigerator. It will keep for at least 2 weeks. Reheat in the microwave to make it pourable.


Calories: 159kcal
Author: Christin Mahrlig
Course: Dessert
Cuisine: American

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47 thoughts on “Crock Pot Dulce de Leche”

  1. Galley Grub Girl

    Awesome. Thanks for sharing your recipe. Turned out perfect following your very good directions. Enjoying some in my morning coffee at this very moment. Yummy!

    1. Christin
      Christin Mahrlig

      I’ve never tried that before and I googled it and didn’t come up with anything. It sounds like a good idea though. If you try it, let my know if it works. 🙂

  2. I’ve got them in my crock pot now, but the jars are floating…I don’t know how to keep them down. Hope it doesn’t affect the cooking process.

  3. Ok, this looks so delicious and so easy to make, am certainly going to try it…thank you….One question thou, how in the heck does the milk turn to the carmel sauce???

  4. You can just put an unopened can of sweetened condensed milk in a potful of boiling water on the stove and boil away for two hours. Don’t let the water evaporate. Open carefully–it will boil out like hot lava.

    1. hello kathy was lol cause i was just about to post what you did putting the can in boiling water make sure it stays under for two hours my mother in law is from argentina and grandmother in law is from italy and thats how i was taught much faster

  5. Thalia @ butter and brioche

    I love dulce de leche but have never made it myself before. This recipe is just the perfect excuse for my to pull out and use my slow cooker.. you definitely can consider I will be recreating it!

  6. I have a question……if you’re just re-canning this basically….why wouldn’t it be shelf stable like it is when in the can ?
    I would very much like to include this in my gift baskets…..
    Thanks for the help

    1. Christin
      Christin Mahrlig

      I’m by know means a canning expert but I have researched this question and there seems to be a lot of conflicting information. I would err on the side of caution and refrigerate it. That being said, it would be fine to leave out for a number of hours so I would put it in a gift basket with a note to refrigerate as soon as possible.

  7. Sarah@WholeandHeavenlyOven

    Gahhhh this sauce looks so so cozy and comforting! I’ll bet it makes your house smell totally amazing while it’s slow-cooking! Gorgeous photos, Christin!

  8. Now this is useful information! I love just dumping that condensed milk in and forgetting about it. pinning!

  9. Carol at Wild Goose Tea

    Oh my Gosh! I hope you are not teasing us. Too tooooooooooooo easy. I have the pot, the jars and the condensed milk. Wow!!! I am excited.

  10. Stephanie @ Plain Chicken

    I can’t believe I’ve never tried this. I think it was because I didn’t want to put the can of milk in the crock-pot. Love the tip with the mason jars. Must try!

  11. Gayle @ Pumpkin 'N Spice

    Dulce de leche is my absolute weakness, Christin! In ice cream, cakes, pies, etc…it’s a flavor that I’m always drawn to. I love this crock pot version! Looks amazing. Pinned!

  12. I love this recipe Christin! I am a sucker for dulce de leche and have wanted to make my own for a while but didn’t want try the hot oven method especially in the summer. A crock pot version sounds perfect! I am drooling over those jarfuls – looks mouthwatering!

  13. Jessica @ Sweet Menu

    Incredible! I honestly just can’t believe this works! But look at that proof… yummm!!

  14. Medha @ Whisk & Shout

    One ingredient?!! That’s seriously simple. And these pictures are killing me. Sooooo yummy looking 🙂

  15. Cindy @ Pick Fresh Foods

    Yum! This looks delicious! I love caramel sauce, but haven’t had dulce de leche. I need to try this asap. Love that you make it in the crock pot. Pinning

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