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    Home » Recipes » Recipes

    Slow Cooker Condensed Milk Caramel

    A picture of Lucy the baker from Bake Play Smile.
    Modified: Oct 5, 2026 · Published: May 19, 2023 by Lucy Mathieson · This post may contain affiliate links · Leave a Comment
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    A jar of thick caramel sauce with a gold spoon in it.

    This slow cooker condensed milk caramel is the easiest 1 ingredient recipe you'll ever make. Pop a tin in the slow cooker, cover with water and walk away for 8 hours. Then spoon it over my Banoffee Tart or swirl it through a Salted Caramel Cheesecake.

    jar of condensed milk caramel with a spoon in it.

    A Quick Look At The Recipe

    🍯 Recipe: Slow Cooker Condensed Milk Caramel
    ⏰ Ready In: 5 minutes prep + 8 hours in the slow cooker (mostly hands off)
    🥫 Main Ingredient: just 1 tin of sweetened condensed milk
    🌱 Dietary Info: gluten free • vegetarian
    💛 Why You'll Love It: no thermometer, no stirring, and it's cheaper (and tastier) than store-bought

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    I love how something this good can come from one tin and zero skill.

    Use it on warm fudgy brownies, drizzled over chocolate cake or vanilla cupcakes, spooned into apple pie or sticky date pudding, or straight off a spoon standing at the fridge (no judgement here).

    Jump to:
    • A Quick Look At The Recipe
    • Why You're Going To Love This Recipe
    • Slow Cooker Caramel Ingredients
    • Variations
    • How To Make Slow Cooker Condensed Milk Caramel
    • Recipe Tips
    • Slow Cooker Condensed Milk Caramel FAQs
    • More Caramel Recipes
    • Slow Cooker Condensed Milk Caramel

    Why You're Going To Love This Recipe

    • Just 1 ingredient turns into thick, golden caramel.
    • No thermometer, no stirring and no watching a pot so the caramel doesn't catch and burn.
    • Easy to double by cooking two tins side by side, no extra work involved.
    • Tastes better than shop bought caramel or dulce de leche, and works out cheaper too.

    Slow Cooker Caramel Ingredients

    You just need one ingredient, plus a slow cooker (or crockpot) to cook it in.

    • Sweetened condensed milk - I use full fat Nestle condensed milk, but any brand works as long as it's full fat, not skim or "lite".
    Two tins of Nestle condensed milk.

    Variations

    • Salted caramel: stir sea salt flakes through the finished caramel to taste, then use it in these salted caramel recipes.
    • Double batch: cook two (or more) tins at the same time, they just need to stay fully covered with water the whole time.
    • Store it in a jar: once the caramel has cooled, tip it out of the tin into a clean, sealed jar. It keeps just as well and is much easier to spoon out of than the tin.

    How To Make Slow Cooker Condensed Milk Caramel

    This really is a set and forget recipe. One step, and the slow cooker does the rest.

    Place the can of sweetened condensed milk (or cans) into the slow cooker and cover with hot (but not boiling) water. Ensure the water is 5cm above the top of the can.

    Note: if using a ring pull can, make sure the ring pull is facing downwards.

    Cook on LOW for 8 hours (or up to 10 hours for a thicker caramel).

    Two tins tipped upside down in a slow cooker filled with water.

    Very carefully remove the can from the slow cooker and place into a bowl of cold water to cool completely. Alternatively, switch off the slow cooker and leave the can sitting in the water overnight to cool.

    Never open the can while it's still hot. A hot, pressurised tin of caramel can spit or burst when opened, so always let it cool down fully in cold water first.

    Open the can once it's completely cool. Look at all that luscious caramel!

    A tin of thick Dulce Du Leche.

    Serve this beautiful condensed milk caramel with your favourite desserts.

    A spoon being dipped into a tin of thick caramel.

    Recipe Tips

    • Use full fat condensed milk, not skim, for the best thick result.
    • Check the water level stays 5cm above the can at all times during cooking. Some slow cookers lose more water to steam than others and may need topping up. If the water level drops below the top of the can, it can burst (and that's dangerous!) so I check mine every hour.
    • Never open the can while it's hot. Cool it fully in cold water (or overnight in the switched off slow cooker) before opening.
    • No need to remove the label before cooking, it lifts off on its own in the water.
    • Store leftover caramel in an airtight container (or tip it into a clean jar) in the fridge for up to 3 weeks, although it never lasts that long in our house!
    • Stir through sea salt flakes to make salted caramel, and use it in these salted caramel recipes.
    close up of a spoon holding slow cooker condensed milk caramel

    Slow Cooker Condensed Milk Caramel FAQs

    Why is my condensed milk caramel not thickening?

    The condensed milk caramel thickens as it cools, so if it's still warm it can seem thinner than expected. It can also stay thinner if it hasn't been cooked for long enough, and this varies as slow cookers run at different temperatures. For a very thick caramel, cook it for up to 10 hours.

    Is it safe to cook a sealed can of condensed milk in the slow cooker?

    Yes, as long as you keep the can fully covered with water the whole time it's cooking, topping it up if the level drops. Never let the water go below the top of the can, and never open the can while it's still hot, it's pressurised and can spit or burst. Always cool it completely in cold water first.

    Does a slow cooker cost much to run for 8-10 hours?

    A slow cooker is one of the most energy efficient kitchen appliances. On average, it uses about the same amount of energy as a standard light bulb, so despite being on for a longer period of time, it actually uses very little power.

    What do I do if my condensed milk caramel is too thick?

    Just warm the caramel in a pan over low heat, or in short bursts in the microwave, until it loosens back up.

    Do I need to remove the labels from the condensed milk tins before making caramel?

    No, there's no need to remove the labels before submerging the cans in water, they lift off on their own during cooking.

    Can you freeze condensed milk caramel?

    I don't recommend it. Freezing and thawing can make the caramel go grainy or split. It keeps well in the fridge in an airtight container (or a sealed jar) for up to 3 weeks, so there's no need to freeze it.

    More Caramel Recipes

    If you're like me and love all things caramel, here are a few more sweet and luscious recipes to try:

    • A piece of salted caramel cheesecake being removed from the dessert.
      Salted Caramel Cheesecake
    • An overhead shot of a piece of banoffee tart being removed from the pie.
      Banoffee Tart
    • A plate of a self saucing caramel pudding topped with ice cream.
      Caramel Pudding
    • A piece of chocolate caramel slice with a biscuit base, caramel filling and chocolate top, on a plate with a fork.
      Chocolate Caramel Slice

    WANT EVEN MORE DELICIOUS RECIPES? Subscribe to my newsletter or follow along on Facebook or Instagram. And if you love baking, then please come and join my Facebook cooking club group or subscribe to my YouTube channel. 

    An overhead shot of thick caramel dulce de leche made in a slow cooker.

    Slow Cooker Condensed Milk Caramel

    Make silky smooth slow cooker condensed milk caramel with just 1 ingredient and 5 minutes prep time.
    5 from 3 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: caramel recipes, western
    Prep Time: 8 hours hours
    Total Time: 8 hours hours
    Servings: 1 can
    Calories: 1364kcal
    Author: Lucy Mathieson

    Ingredients

    • 425 g sweetened condensed milk full fat (not skim)
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    Instructions

    • Place the can (or cans) into the slow cooker and cover with hot (but not boiling) water.
      Ensure the water is 5cm above the top of the can.
      Note: if using a ring pull can, make sure the ring pull is facing downwards.
    • Cook on LOW for 8 hours (up to 10 hours for a thicker caramel).
    • Very carefully remove the can from the slow cooker and place into a bowl of cold water to cool (approximately 15 minutes).
      Alternatively you can switch off the slow cooker and leave it overnight to cool.
    • Open the can when cooled and serve with your favourite dessert.

    Notes

    RECIPE NOTES AND TIPS
    • Make sure to use full fat condensed milk, not skim.
    • Double the recipe by cooking two cans at a time.
    • There's no need to remove the labels prior to submerging in the water. They will lift off on their own during cooking.
    • Check the water level stays 5cm above the can at all times during cooking (some slow cookers release more liquid/steam than others and may need topping up). If the water level goes below the top of the can, it may burst (very dangerous!). I recommend checking the water level every hour.
    • Store any leftover caramel in an airtight container in the fridge for up to 3 weeks. 

    Nutrition

    Calories: 1364kcal | Carbohydrates: 231g | Protein: 34g | Fat: 37g | Saturated Fat: 23g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 10g | Cholesterol: 145mg | Sodium: 540mg | Potassium: 1577mg | Sugar: 231g | Vitamin A: 1135IU | Vitamin C: 11mg | Calcium: 1207mg | Iron: 1mg
    Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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    I’m Lucy! A mum, a wife, a food blogger and a lover of all things to do with food! I love creating delicious, no-fuss Thermomix and conventional recipes the whole family will love. Classic baking favourites, lunch box snacks, quick and easy family dinners and more!

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