Why You’ll Love This Recipe

  • Quick and Easy: I love that this recipe requires minimal prep time and ingredients.

  • Deliciously Decadent: The combination of a soft cake base, gooey sweetened condensed milk, and crunchy toffee bits creates a delightful texture and flavor.

  • Versatile: I can easily customize these bars with different mix-ins or toppings.

  • Crowd-Pleaser: These bars are always a hit at gatherings, disappearing quickly from the dessert table.

  • Make-Ahead Friendly: They store well, making them perfect for preparing in advance.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • 1 box yellow cake mix (15.25 oz)

  • 1/2 cup unsalted butter, melted

  • 1 large egg

  • 1 cup toffee bits (such as Heath bits or chopped toffee)

  • 1/2 cup semi-sweet chocolate chips (optional)

  • 1 can (14 oz) sweetened condensed milk

Directions

  1. Preheat the Oven: I preheat my oven to 350°F (175°C) and grease a 9×13-inch baking pan or line it with parchment paper for easy removal.

  2. Prepare the Base: In a large mixing bowl, I combine the yellow cake mix, melted butter, and egg. I stir until the mixture is well combined and crumbly.

  3. Form the Crust: I press about two-thirds of the cake mixture evenly into the bottom of the prepared pan to form the crust.

  4. Add the Filling: I pour the sweetened condensed milk evenly over the crust, spreading it gently to cover.

  5. Add Toppings: I sprinkle the toffee bits and chocolate chips (if using) evenly over the condensed milk layer.

  6. Top with Remaining Mixture: I crumble the remaining cake mix mixture over the top, distributing it evenly.

  7. Bake: I bake the bars for 25–30 minutes, or until the top is golden brown and the edges are set.

  8. Cool and Serve: I allow the bars to cool completely in the pan before cutting them into squares and serving.

Servings and Timing

  • Servings: 16–20 bars

  • Preparation Time: 10 minutes

  • Cooking Time: 25–30 minutes

  • Total Time: Approximately 35–40 minutes

Variations

  • Nutty Delight: I add 1/2 cup chopped pecans or walnuts for extra crunch.

  • Caramel Drizzle: I drizzle caramel sauce over the top before baking for added sweetness.

  • Different Cake Mix Flavors: I experiment with chocolate or spice cake mixes for a different flavor profile.

  • Sea Salt Finish: I sprinkle a pinch of sea salt over the top before baking to enhance the flavors.

Storage/Reheating

  • Storage: I store the cooled bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.

  • Freezing: I freeze the bars by wrapping them individually and placing them in a freezer-safe container for up to 3 months. I thaw them at room temperature before serving.

  • Reheating: If I prefer them warm, I microwave a bar for about 10–15 seconds.

FAQs

Can I use a different flavor of cake mix?

Yes, I can use chocolate, butter pecan, or spice cake mix for a different flavor. Each variation adds its unique twist to the bars.

Can I make these bars without toffee bits?

If I don’t have toffee bits, I can substitute with chopped nuts or omit them entirely. The bars will still be delicious, though the toffee adds a distinctive crunch and flavor.

How do I know when the bars are done baking?

The bars are done when the top is golden brown, and the edges are set. The center may still look slightly gooey, but it will firm up as it cools.

Can I add other mix-ins?

Absolutely! I often add chocolate chips, chopped nuts, or even dried fruit to customize the bars to my liking.

Do these bars need to be refrigerated?

While not necessary, refrigerating the bars can help them set up more firmly and makes them easier to cut. I often refrigerate them overnight for best results.

Conclusion

Cake Mix Toffee Bars are a delightful, easy-to-make treat that combines the convenience of a cake mix with the rich flavors of toffee and sweetened condensed milk. Whether I’m baking for a special occasion or just because, these bars are always a hit. Their versatility allows me to customize them to suit any taste, making them a staple in my dessert repertoire. Give them a try, and they might just become a favorite in your household too.

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Cake Mix Toffee Bars

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  • Author: Mia
  • Total Time: 35–40 minutes
  • Yield: 16–20 bars
  • Diet: Vegetarian
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Description

Loaded with toffee, chocolate, and a buttery crumb topping, these simple cake mix bars are the best go-to dessert for parties, potlucks, or cozy nights in

Ingredients

1 box yellow cake mix (15.25 oz)

1/2 cup unsalted butter, melted

1 large egg

1 cup toffee bits (Heath bits or chopped toffee)

1/2 cup semi-sweet chocolate chips (optional)

1 can (14 oz) sweetened condensed milk

Instructions

Preheat Oven: Preheat to 350°F (175°C). Grease or line a 9×13-inch pan with parchment paper.

Make Base: In a large bowl, combine cake mix, melted butter, and egg until crumbly.

Form Crust: Press 2/3 of the mixture evenly into the bottom of the pan.

Add Filling: Pour sweetened condensed milk evenly over crust.

Add Toppings: Sprinkle toffee bits and chocolate chips (if using) over the top.

Top and Bake: Crumble the remaining cake mix dough on top. Bake for 25–30 minutes or until golden and set at the edges.

Cool and Serve: Let cool completely in the pan before cutting into bars

Notes

Swap yellow cake mix for chocolate, spice, or butter pecan for different flavors.

Add nuts, caramel drizzle, or sea salt for custom variations.

Bars firm up better if chilled before cutting.

  • Prep Time: 10 minutes
  • Cook Time: 25–30 minutes
  • Category: Dessert, Bars
  • Method: Baking
  • Cuisine: American

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