Cake Mix Toffee Bars

Featured in desserts.

Look at these absolutely gorgeous toffee bars! Can you see those perfect layers - the rich chocolate cake base, that gorgeous golden caramel middle, and all those chocolate chunks on top? These bars are seriously addictive and so much easier to make than they look. The cake mix makes it foolproof, and that toffee layer gets perfectly gooey and stretchy. You can see how the caramel is just oozing out the sides - that's exactly what you want! Trust me, one bite of these beauties and you'll be making them every week. The combination of textures is absolutely divine!

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Updated on Thu, 07 Aug 2025 19:23:50 GMT
Decadent layered toffee bars with golden caramel and chocolate chunks stacked on wooden surface pin it
Decadent layered toffee bars with golden caramel and chocolate chunks stacked on wooden surface | lonerecipes.com

I remember the first time I made these Cake Mix Toffee Bars - I was skeptical about using cake mix for bar cookies, but the results completely changed my perspective. The recipe creates these incredible three-layer bars that look like they came from an expensive bakery. The bottom layer starts with cake mix combined with butter and eggs, creating a sturdy yet tender base. Then comes the magic - a layer of sweetened condensed milk mixed with toffee bits that transforms into the most incredible gooey caramel center. Finally, chocolate chips and pecans are sprinkled on top, creating a delightful crunch. When these bars bake, something beautiful happens - the layers meld together while maintaining their distinct textures. The result is a dessert that's crispy on the edges, chewy in the middle, and absolutely irresistible throughout. Each bite delivers that perfect toffee flavor with hints of buttery cake and rich chocolate.

Why I love this recipe

What I absolutely love about this recipe is how it delivers gourmet results with minimal effort. Using cake mix as a shortcut doesn't compromise the final product - instead, it ensures consistent results every time. The toffee layer is what really sets these bars apart from ordinary desserts. It creates this amazing pull when you bite into it, similar to the best candy bars. I love how versatile these bars are too - they're perfect for potlucks, bake sales, holiday gatherings, or just a weeknight treat. They slice beautifully, travel well, and always disappear quickly wherever I take them. The combination of textures keeps every bite interesting - you get the tender cake base, the gooey toffee center, and the satisfying crunch from the chocolate chips and nuts. Plus, they actually improve after sitting for a day, as the flavors meld together even more beautifully. It's rare to find a recipe that's both foolproof for beginners and impressive enough for experienced bakers.

What You Need From Your Kitchen

  • Yellow cake mix: Forms the sturdy base layer of the bars
  • Toffee bits: Creates the signature gooey caramel center
  • Sweetened condensed milk: Binds the toffee layer and adds richness
  • Chocolate chips: Provides chocolate flavor and texture contrast
  • Pecans: Adds crunch and nutty flavor to the topping
  • Butter: Creates tender texture in the cake base

Let's Make These Together

Mix the cake base
Start by combining the cake mix with melted butter and one egg until you get a crumbly dough. This forms the foundation of your bars, so make sure to press it firmly and evenly into your greased pan.
Prepare toffee layer
Whisk together the sweetened condensed milk, remaining egg, and toffee bits until smooth. This creates the signature gooey center that makes these bars so irresistible.
Add the toppings
Sprinkle the chocolate chips and chopped pecans over the toffee layer, then gently press them down so they'll stay in place during baking.
Bake to perfection
Bake until the edges are golden brown and the center is just set. The bars will continue to firm up as they cool, so don't overbake them.
Recipe picture pin it
Close-up of gooey toffee bars with chocolate cake base and caramel dripping down sides | lonerecipes.com

Switch Things Up

I first discovered this recipe during a frantic search for something to bring to my neighbor's barbecue. I had limited ingredients but found cake mix, toffee bits, and chocolate chips in my pantry. What started as a desperate attempt turned into pure magic! The bars came out perfectly gooey with that amazing toffee pull. Everyone at the barbecue kept asking for the recipe. Now, whenever I need a crowd-pleasing dessert that looks fancy but is secretly simple, these toffee bars are my go-to. I've made them countless times since, and they never fail to impress. The best part is watching people's faces when they take that first bite and discover all those incredible layers.

Perfect Pairings

These rich toffee bars pair beautifully with a cold glass of milk or a hot cup of coffee. For a more indulgent experience, serve them alongside vanilla ice cream or whipped cream. They also complement fresh berries wonderfully, as the tartness balances the sweet toffee flavors. For holiday gatherings, pair them with hot chocolate or spiced cider for the ultimate comfort food combination.

Homemade cake mix toffee bars showing three distinct layers with melted chocolate and toffee pieces pin it
Homemade cake mix toffee bars showing three distinct layers with melted chocolate and toffee pieces | lonerecipes.com

Frequently Asked Questions

→ Can I use a different cake mix flavor?

Yes! Chocolate or butter cake mix work wonderfully. Yellow cake mix gives the most neutral base that lets the toffee flavor shine.

→ How do I know when the bars are done?

The edges should be golden brown and the center should be set but still slightly soft. A toothpick inserted in center should come out with just a few moist crumbs.

→ Can I make these ahead of time?

Absolutely! These bars actually improve after sitting overnight as the flavors meld together. Store covered at room temperature for up to 5 days.

→ What if I don't have toffee bits?

You can substitute butterscotch chips, caramel bits, or even crush up toffee candy bars. The flavor will be slightly different but still delicious.

→ Why are my bars too gooey?

This usually means they need more baking time. The center should be set, not jiggly. Also make sure to cool completely before cutting.

Conclusion

These Cake Mix Toffee Bars are the perfect combination of ease and indulgence. With their rich layers and irresistible toffee flavor, they're sure to become a family favorite. The beauty lies in their simplicity - using cake mix as a shortcut while still delivering bakery-quality results. Whether for potlucks, bake sales, or just satisfying your sweet tooth, these bars never disappoint.

Cake Mix Toffee Bars

Rich layered dessert bars with chocolate cake base, gooey toffee caramel center, and crunchy chocolate chip topping.

Prep Time
15 Minutes
Cook Time
35 Minutes
Total Time
50 Minutes
By: chris

Category: desserts

Difficulty: easy

Cuisine: American

Yield: 16 Servings (16 balls)

Dietary: Vegetarian, Contains Gluten

Ingredients

011 box yellow cake mix
021/2 cup melted butter
032 large eggs
041 cup toffee bits
051 can sweetened condensed milk
062 cups chocolate chips
071/2 cup chopped pecans

Instructions

Step 01

Preheat oven to 350°F and grease a 9x13 inch baking pan. In a large bowl, combine cake mix, melted butter, and 1 egg. Mix until crumbly dough forms, then press firmly into prepared pan.

Step 02

In another bowl, whisk together sweetened condensed milk, remaining egg, and toffee bits. Pour this mixture evenly over the cake mix base.

Step 03

Sprinkle chocolate chips and chopped pecans evenly over the toffee layer, gently pressing them down slightly.

Step 04

Bake for 30-35 minutes until edges are golden brown and center is set. Cool completely before cutting into bars.

Step 05

Cut into squares and serve. Store covered at room temperature for up to 5 days.

Notes

  1. Make sure to press the cake mix base firmly into the pan for best results
  2. Don't overbake - the center should be just set when done
  3. For cleaner cuts, chill the bars for 30 minutes before slicing
  4. You can substitute butterscotch chips for toffee bits if preferred

Tools You'll Need

  • 9x13 inch baking pan
  • Large mixing bowls
  • Electric mixer or whisk
  • Measuring cups and spoons
  • Rubber spatula

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains eggs
  • Contains gluten
  • Contains nuts (pecans)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 285
  • Total Fat: 12 g
  • Total Carbohydrate: 42 g
  • Protein: 4 g

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