These Cake Mix Toffee Bars are a simple yet indulgent treat that combines buttery toffee pieces with a moist cake base for a sweet, crunchy snack. Perfect for dessert, a snack, or sharing at parties, these bars are easy to make and incredibly satisfying. With just a few ingredients and minimal effort, you can create a dessert that tastes like it came from a bakery.
Why You’ll Love This Recipe
Sweet & Crunchy – Toffee pieces add a delicious caramelized crunch.
Easy & Quick – Uses a cake mix for a fast and foolproof base.
Buttery Flavor – Rich, buttery notes make these bars irresistible.
Perfect for Any Occasion – Great for potlucks, gatherings, or an everyday treat.
Ingredients
- 1 box yellow or butter cake mix
- ½ cup unsalted butter, melted
- 2 large eggs
- 1 tsp vanilla extract
- 1 cup toffee bits (or chopped toffee candy)
- ½ cup chopped nuts (optional)
Instructions
- Preheat the Oven
Preheat oven to 350°F (175°C) and line a 9×13-inch baking pan with parchment paper or lightly grease it. - Prepare the Batter
In a large bowl, combine cake mix, melted butter, eggs, and vanilla extract. Stir until well combined and smooth. - Add Toffee and Nuts
Fold in toffee bits and nuts (if using) until evenly distributed throughout the batter. - Bake
Spread the batter evenly in the prepared baking pan. Bake for 25–30 minutes, or until a toothpick inserted in the center comes out clean. - Cool and Serve
Allow bars to cool completely before cutting into squares. Serve and enjoy!

Nutritional Information
Calories: ~250
Protein: 3g
Fat: 12g
Carbohydrates: 34g
Sugar: 22g
Fiber: 1g
Tips for Success
- Use Softened Butter – Helps mix evenly with cake mix for a smooth batter.
- Add Extra Toffee on Top – Sprinkle some toffee bits on top before baking for a crunchy finish.
- Cool Completely – Bars hold together better and cut neatly when fully cooled.
Why This Recipe Works
Using cake mix as the base ensures a soft, moist texture, while the toffee adds a sweet, crunchy contrast. The buttery flavor complements the caramel notes in the toffee, creating a dessert that’s both easy to make and decadently delicious.
Cake Mix Toffee Bars are a quick and satisfying dessert that combines sweet, crunchy toffee with a moist, buttery cake base. Perfect for parties, potlucks, or an everyday treat, these bars are simple to make and always a crowd-pleaser.
Cake Mix Toffee Bars – Sweet, Crunchy, and Buttery
12
10
minutes30
250
kcalMoist, buttery cake bars loaded with crunchy toffee pieces — an easy and irresistible dessert perfect for parties or a sweet everyday snack.
Ingredients
1 box yellow or butter cake mix
½ cup unsalted butter, melted
2 large eggs
1 tsp vanilla extract
1 cup toffee bits (or chopped toffee candy)
½ cup chopped nuts (optional)
Instructions
- Preheat the Oven
Preheat oven to 350°F (175°C) and line a 9×13-inch baking pan with parchment paper or lightly grease it. - Prepare the Batter
In a large bowl, combine cake mix, melted butter, eggs, and vanilla extract. Stir until well combined and smooth. - Add Toffee and Nuts
Fold in toffee bits and nuts (if using) until evenly distributed throughout the batter. - Bake
Spread the batter evenly in the prepared baking pan. Bake for 25–30 minutes, or until a toothpick inserted in the center comes out clean. - Cool and Serve
Allow bars to cool completely before cutting into squares. Serve and enjoy!
Notes
- Use Softened Butter – Helps mix evenly with cake mix for a smooth batter.
Add Extra Toffee on Top – Sprinkle some toffee bits on top before baking for a crunchy finish.
Cool Completely – Bars hold together better and cut neatly when fully cooled.