Easy Toffee Dessert Bars – A Warm Winter Treat Straight from Grandma’s Kitchen

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Author: Catherine
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As the chilly winds of winter roll in, there’s nothing quite like the comforting aroma of something sweet baking in the oven. One of my fondest memories is of my Nonna’s kitchen during the holidays—warm, bustling, and always filled with the scent of toffee and vanilla. Today, I’m sharing a modern twist on one of her favorites: Easy Toffee Dessert Bars made with a humble box of cake mix.

Close-up of Easy Toffee Dessert Bars


Why You’ll Love These Easy Toffee Dessert Bars

  • Super Simple: Just a few pantry staples and a box of cake mix.
  • Rich and Decadent: Sweetened condensed milk creates a gooey, toffee-like layer.
  • Crowd-Pleaser: Makes 24 bars—perfect for holiday parties or gifting.
  • Winter Comfort: A warm, sweet bite that pairs beautifully with hot cocoa or mulled cider.

Ingredients

Here’s what you’ll need for your toffee adventure:

  • 1 box yellow cake mix (15.25 oz)
  • ½ cup (1 stick) unsalted butter, melted
  • 1 large egg
  • 1 cup semi-sweet chocolate chips
  • 1 cup toffee bits (like Heath Bits o’ Brickle)
  • 1 (14 oz) can sweetened condensed milk
  • ½ teaspoon vanilla extract
  • Optional: ½ cup chopped pecans or walnuts for added crunch

Step-by-Step Instructions

1. Preheat and Prep

Set your oven to 350°F (175°C). Grease a 9×13-inch baking pan or line it with parchment paper for easy removal.

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2. Mix the Base

In a large bowl, combine the cake mix, melted butter, and egg. Stir until a thick dough forms. Press about two-thirds of this dough evenly into the bottom of your prepared pan.

3. Layer the Love

Sprinkle the chocolate chips and toffee bits evenly over the dough base.

4. Gooey Goodness

In a separate bowl, whisk together the sweetened condensed milk and vanilla extract. Pour this over the chocolate and toffee layer.

5. Top and Toast

Crumble the remaining cake dough over the top. You don’t need to cover it completely—a patchy layer lets the toffee layer peek through and caramelize beautifully.

6. Bake

Place in the oven and bake for 25–30 minutes, or until the top is golden brown and bubbly. The edges should be lightly browned.

7. Cool and Cut

Let the bars cool completely before cutting. This allows the layers to set properly—if you rush it, you might end up with a gooey mess (still delicious though!).


Serving Tips

  • Serve warm with a scoop of vanilla ice cream.
  • Dust with powdered sugar for a festive finish.
  • Package in holiday tins for a delightful homemade gift.

Tips for Perfect Toffee Bars

  • Use parchment paper: It makes it easier to lift the entire batch out for clean slicing.
  • Don’t overbake: Keep an eye on the edges—they’re your best clue!
  • Add sea salt: A tiny sprinkle of flaky salt before baking adds a gourmet twist.

Variations

  • Nutty Crunch: Add chopped pecans or walnuts for a deeper flavor.
  • Different Cake Mix: Swap in spice cake mix for a holiday flair.
  • White Chocolate Swap: Use white chocolate chips for a sweeter, creamier contrast.
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Stacked cake mix toffee bars topped with golden chopped toffee on a rustic wooden surface.

Storage & Make-Ahead Tips

  • Room Temp: Store in an airtight container for up to 5 days.
  • Freezer Friendly: Wrap individual bars and freeze for up to 2 months.
  • Make Ahead: These bars actually taste even better the next day!

Why These Bars Are Perfect for Winter

There’s something about the richness of condensed milk, the buttery base, and the crunch of toffee that just feels like a hug on a cold day. Paired with your favorite hot drink and a good book, these easy toffee dessert bars are pure winter bliss.


Reader’s Corner

Have you tried these Easy Toffee Dessert Bars? Did you add a twist of your own—maybe a dash of cinnamon or a drizzle of caramel? Let me know in the comments below, or share your photos on Instagram with #EasyToffeeBars – I’d love to see your sweet creations!


External Resources

Here are some links to level up your baking game:

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A smiling woman in a bright orange blouse and white apron, standing in a cozy home kitchen with warm lighting and modern decor

Meet Catherine — the heart and hands behind Dish Sweet! 💛 Whipping up comfort, creativity, and joy, one sweet recipe at a time..

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