Chocolate Toffee Bars

filed under: Cookies · Dessert on September 9, 2019

Chocolate Toffee Bars are a fantastic dessert filled with gooey, flavor-packed layers that will melt in your mouth. If you are looking for other delicious desserts, check out my Butterscotch Zucchini Bars and my Chocolate Chip Caramel Bars.

Chocolate Toffee Bar Stacked Three High

Chocolate Toffee Bars

The combination of chocolate, toffee, and sweetened condensed milk will have you running back for a second helping.  Try making this chocolate toffee bar recipe for your next potluck.  You’ll need to decide ahead of time if you want to share your secret! The key to perfecting this recipe is letting the base layer cool.  These bars are going back in the oven two more times so you need to completely cool the first layer before you toss it back in.

Chocolate Toffee Bars Stacked

How to Make Chocolate Toffee Bars

Chocolate Toffee Bars are easy to make, with just a few ingredients, but it is important to follow the directions carefully to get the tasty dessert you will be craving! You need a bit of patience for this recipe to work, but it is worth it! The first step is to bake the base of the bar.

Base Ingredients:

  • Butter
  • Brown sugar
  • Flour

Preheat the oven to 350°F. Combine the butter, brown sugar, and flour until you have a mixture that sticks together. In a 9×13 inch pan, press the mixture down to cover the bottom of the pan. Then, bake it for 20-25 minutes. After it has turned to a golden color, remove it from the oven and let it cool as you prepare the topping. Make sure you let it cool for at least 30 minutes, so take a break if your topping is prepared before the 30 minute cooling time has elapsed.

Topping Ingredients:

  • Sweetened condensed milk
  • Butter
  • Mini milk chocolate chips
  • Heath toffee bits

The oven should still be at 350°F as you are making the topping for the bars. In a medium saucepan over medium heat, combine the sweetened condensed milk and butter. Stir this for 5-10 minutes, constantly, and you will notice the mixture will start to thicken. Be patient before you pour this onto the base layer. Have you let the base cool for at least 30 minutes? If the answer is yes, go ahead and pour the milk and butter mixture onto the base layer and bake for 12-15 minutes.

After you remove the pan from the oven a second time, add your chocolate chips. Evenly sprinkle on the chips and put it back in the oven for 2 minutes, just so the chocolate chips can melt. Remove the pan from the oven for the third and final time, and spread the chocolate with a spatula. It’s time to top it all off with the toffee bits. Let the bars cool before you cut and serve them.

Piece of Chocolate Toffee Bars

Tips Tricks and Variations

If you like your desserts a little sweeter, feel free to increase the chocolate and toffee amounts.

Finally, the size of the pan for this recipe really makes a difference.  If you use a larger pan, the chocolate toffee bars will be thinner, and the layers won’t be noticeable.  If you go too small, you will have a thicker base layer.  I recommend using a 9 x13 inch pan to get the right consistency.

One Chocolate Toffee Bar on a Plate

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4 from 1 vote
Chocolate Toffee Bar
Chocolate Toffee Bars
Prep Time
15 mins
Cook Time
15 mins
Cooling Time
30 mins
Total Time
30 mins

Rich buttery crust with a sweet vanilla-like layer, chocolate, and toffee bits!

Course: Dessert
Cuisine: American
Keyword: chocolate toffee bars
Servings: 12 servings
Calories: 549 kcal
  • 1 cup (226 g) salted butter, softened
  • 1 cup (200 g) packed brown sugar
  • 1 1/2 cup (187 g) all-purpose flour
  • 14 ounces sweetened condensed milk
  • 1/4 cup (56 g) butter
  • 1 cup (175 g)mini milk chocolate chips
  • 1 cup (175 g) heath toffee bits
For the Base
  1. Preheat oven to 350°F.

  2. Cream together butter, brown sugar, and flour until well blended and mixture sticks together well.

  3. Press into 9x13 pan.

  4. Bake for 20-22 min or until slightly golden.

  5. Cool for at least 30 minutes while preparing the next topping. (Do not skip this step.)

For the Topping
  1. In a medium pan over medium heat, heat sweetened condensed milk and butter, stirring constantly for 5-10 min or until thickened. It should be very thick.

  2. Spread over the cooled base layer.

  3. BAKE AGAIN at 350°F for 10-12 min or until slightly golden brown.

  4. Remove from oven and sprinkle chocolate chips evenly over the top.

  5. BAKE for 2 minutes longer or until chocolate is shiny and soft.

  6. Remove from the oven. Spread chocolate evenly with a small offset spatula and then sprinkle toffee bits on top.

  7. Cool and cut into bars.

Recipe Video

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  • Abby says:

    I’m so glad you decided to share this recipe… beauty is in the eye of the
    this sounds soooo good & I can’t wait to try it !!

  • Teresa says:

    This looks fantastic. I love this idea. I will definitely make this for Sunday treats.

  • Caroline says:

    I personally think this is a very pretty bar. It’s got all my favorites. thanks for sharing.

  • Ellie says:

    How deep should the 9X13 pan be? My pan is 1 inch deep. Will that be too shallow? This bar sounds super yummy!

  • Anna says:

    Could these be made with gluten free all purpose flour?

  • chamila says:

    hi amanda,
    i want to use the base + condensed milk top but instead of chocolate, am thinking of pouring melted white chocolate, and top it with almonds or pistachios. Dya think its doable? usually when i melt my white chocolate, it sets after a while.
    lemme know ur suggestion:)

    • Amanda Rettke says:

      I think you would have to make a white chocolate ganache… but it is a very interesting idea! 🙂

  • P. Schneider says:

    I am not able to copy your recipes-WHY——–do you allow the recipes to be copied.

  • Sue says:

    In the video, you put salt in the topping with the milk but you don’t list it in the ingredients.. is there supposed to be salt?

  • Stacey says:

    I just made this. Wanted to let you know the base was too buttery, in fact couldn’t eat it. The base needs to be adjusted. Other than that all together it is great.

  • Debbie Botha says:

    Hi there,
    Does the base get hard enough to be hand held like a shortbread biscuit or does it stay soft?

    Thank you for sharing all your inspiring, delicious recipes.



  • Lisa Wilson says:

    I made this today, the base was incredibly oily. I’m thinking maybe the butter should be a 1/2 cup, not a full cup?

  • verona a kruse says:

    I loved these Chocolate Toffee Bars & so did many others. Printed off the recipe for multiple requests.

    • Amanda Rettke says:

      So glad Verona!

  • Nancy Searcy says:

    We’re do you buy Toffee bits
    Looking forward to this recipe

  • Jessica says:

    Is there something more I can do than just to butter the bottom on my glass pan before I put the base layer in and bake. I’m finding even with doing they it’s hard to get the squares out as it’s baked to the bottom of the pan.

    They are delicious too!!

    • Amanda Rettke says:

      You can try to use non-stick spray or pan release. You can also line the pan with foil or parchment for easy release. Glad you are enjoying them!

  • Barbara Mcnamara says:

    Recipe for chocolate toffee bars does not say to let it cool for a full 30 min. Only says to let it cool while making topping. Never heard of mini milk chocolate chip so used regular but they didn’t melt even after puttin in the oven a second time

  • Trudee says:

    This recipe must be missing an ingredient in the filling. The filling would not set up. Hated that I wasted my flour and sugar and butter.

    • Elizabeth Keeney says:

      I work with iambaker and am happy to help out with questions!
      I am sorry you had that experience. I recommend the full 30 minute cooling time as well as thoroughly mixing the sweetened condensed milk and butter (which could take up to ten minutes).

  • Trudee says:

    Follow up. The filling stiffed up after setting over night. So happy. This dish is super sweet. I would leave off the chocolate. Otherwise yummy.

  • Ben Dover says:

    Very good but the condensed milk doesn’t get thicker at all. In fact it gets thinner

  • Sandy says:

    Looking forward to making this. Hope it thickens and no problems. Sounds so good and I love toffee.

  • I Am Baker Logo

    Brand new recipes that people find kinda acceptable.