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Fudge and Toffee Filled Chocolate Chip Bars

Fudge and Toffee Filled Chocolate Chip Bars

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These Fudge and Toffee Filled Chocolate Chip Bars will dazzle all the chocolate fanatics in your life! They’ll beg for the recipe!

Toffee lovers will swoon with each bite of these fudge and toffee laden bars. All you’ll need is a small, decadent square to satisfy your cravings!

Fudge and Toffee Filled Chocolate Chip Bars on a white tray

Fudge and Toffee Filled Chocolate Chip Bars

I had to get these Fudge and Toffee Filled Chocolate Chip Bars out of the house ASAP. As I trimmed the edges of these decadent bars before taking photos, I sampled. And then sampled some more.

It was the bit of crunch from the Heath bar chunks that made these so irresistible. Well, that and the huge fudgy center layer. I had to stop before I slipped into a glucose induce coma! I took these treats up to Michigan to share with some childhood friends. There were rave reviews.

Fudge and Toffee Filled Chocolate Chip Bars stacked on a white plate

Decadent with a Capital D

Beware, these are rich. A thin layer of chocolate chip cookie dough is topped with a combination of melted chocolate chips and sweetened condensed milk. Next comes the Heath bar chunks followed by dollops of more chocolate chip cookie dough.

Don’t even think about the calories. And don’t leave yourself alone with them either!!! If you like rich fudge or toffee, then these marvelous Fudge and Toffee Filled Chocolate Chip Bars  will be right up your alley.

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Fudge and Toffee Filled Chocolate Chip Bars

Fudge and Toffee Filled Chocolate Chip Bars

Decadent Fudge and Toffee Filled Chocolate Chip Bars. Adapted from Gimme Some Oven.

Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Yield 16 bars


Cookie dough:

  • 4 ounces butter, at room temperature
  • 1/2 cup brown sugar
  • 1/4 cup sugar
  • 1 egg
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 cup plus 2 tablespoons flour
  • 6 ounces semi-sweet chocolate chips, 1 cup

Fudge layer:

  • 1 can (14 ounces) sweetened condensed milk (14 ounces)
  • 12 ounces milk chocolate chips, 2 cups
  • 4 ounces fun size Heath bars, cut into chunks


  1. Preheat oven to 350º.
  2. Line an 8×8 baking dish with nonstick foil (or use regular foil and spray with cooking spray).
  3. Make cookie dough by creaming butter and sugar, then mixing in the egg. Mix in flour, salt, and baking soda, then chocolate chips.
  4. Press about ⅔ of dough into the bottom of the pan. Use offset spatula to evenly cover the bottom of the pan with dough.
  5. Melt chocolate chips and sweetened condensed milk together until smooth.
  6. Spread melted chocolate over the cookie dough.
  7. Sprinkle Heath bar chunks over melted chocolate.
  8. Take spoonfuls of remaining dough and drop over chocolate layer. Carefully spread out lumps of dough with an offset spatula. It will not totally cover chocolate.
  9. Bake for 25-30 minutes. The top should be set, and golden.
  10. Remove from oven to cooling rack. Cool completely before serving.

Nutrition Information:



Serving Size:

1 bar

Amount Per Serving: Calories: 303Total Fat: 18gSaturated Fat: 11gTrans Fat: 0gUnsaturated Fat: 6gCholesterol: 36mgSodium: 167mgCarbohydrates: 35gFiber: 1gSugar: 31gProtein: 3g
Fudge and Toffee Filled Chocolate Chip Bars | 3 amazing favorites in one cookie bar! #toffee #fudge #chocolatechipbars


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63 comments on “Fudge and Toffee Filled Chocolate Chip Bars”

  1. These sound incredible. You’ve always got something so tempting on here!

  2. Yes, these babies would have to leave or else I’d lose myself in them!

  3. I’m afraid I “sampled” everything before I shared with others. I can TOTALLY see you struggled to get these out of your house. It’s IMPOSSIBLE! 🙂 I wish I can even have a slightest corner of your bars…

  4. These look positively dangerous…and I mean that in the most delicious way possible!! 🙂

  5. These are incredibly dangerous. I can’t get over that insanely thick rich fudgy filling! Can I move in with you? I swear I’ll make myself useful. I’ll do anything so that I can eat everything you make!

  6. I loved that you caught yourself tasting these too much…. I do that too. 🙂 Sometimes I wonder if I will have enough for my photos. 🙂 These sure look decadent and beautiful. 🙂

  7. Good grief – I would break my diet for those!

  8. Have these in the oven right now. It’s my Grandmother’s birthday and I still haven’t figured out how I will get them baked, packaged, and to her without eating them all. Thanks for sharing!

  9. OMG, these look amazing! I could never eat them ( too much sugar) but I can sure appreciate them.

  10. You make some serious bars, but this one has got to be one of the most tempting ever Liz! Seriously. Isn´t fudge the best thing when done right? Can´t wait to share these.

  11. Lizzy,
    These bars look incredible. I have to make them soon.

  12. You do make the best desserts, Liz, absolutely the best chocolatey desserts, too. Whenever I need a special treat, or just inspiration, I nose around here!

  13. I just found your site via Manu’s Menu, and I am so glad I did! These would not be safe in my house. Who am I kidding? No sweets are safe in my house!

  14. Oh, goodness. Those are beautiful. Keep them far, far away from me! Hahahaha

  15. HI, everything looks scrumptious 🙂 What is a fun size health bar?

    • They are small, two bite sized Heath bars (chocolate covered toffee candy). Each weighs about 1/4 oz. If you have access to any chocolate covered English toffee candy, it would work fine.

  16. these are a delicious addition to my cookie and candy tray!

  17. You are correct. These are so decadent! We loved them!

  18. This taste every kind of amazing!

  19. These are my new favorite treat! So good.

  20. I loved how easy this is to make! Really good!

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