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Toffee Chocolate Chip Bars

When you are looking for a dessert that balances a buttery crunch with a soft, gooey center, these Toffee Chocolate Chip Bars are the definitive answer. This recipe elevates the classic chocolate chip cookie by adding a rich, caramelized layer of sweetened condensed milk and a generous amount of Heath toffee bits. The result is a multi-layered bar that offers a sophisticated play on textures—from the crumbly flour and brown sugar base to the melted semi-sweet chocolate chips. It is a heavy-hitting crowd-pleaser that manages to be both nostalgic and gourmet, making it a standout addition to any baker's repertoire.
Prep Time15 minutes
Cook Time40 minutes
Total Time55 minutes
Servings: 24 bars

Ingredients

  • 2 1/3 cups All-Purpose Flour
  • 1/4 tsp Salt
  • 2/3 cup Brown Sugar packed
  • 3/4 cup Butter room temperature
  • 2 Eggland’s Best Eggs slightly beaten
  • 2 cups Semi-Sweet Chocolate Chips divided
  • 1 can 14 oz Sweetened Condensed Milk
  • 1 package 8 oz Toffee Bits (e.g., Heath brand, divided)

Instructions

  • Preparation: Preheat your oven to 350°F (175°C) and grease a 9×13” baking pan.
  • Make the Dough: In a large bowl, combine the flour, salt, and brown sugar. Use a pastry blender or fork to cut in the room temperature butter until the mixture is crumbly.
  • Incorporate: Add the slightly beaten eggs and stir until the dough comes together. Fold in 1 1/2 cups of the chocolate chips.
  • The Base: Set aside 1 1/2 cups of the dough. Press the remaining dough evenly into the bottom of the prepared pan.
  • Par-Bake: Bake the crust for 10 minutes.
  • The Layering: Remove from the oven. Pour the sweetened condensed milk evenly over the warm crust. Reserve 1/3 cup of the toffee bits, then sprinkle the rest over the milk.
  • Topping: Crumble the reserved dough over the toffee layer. Sprinkle the remaining 1/2 cup of chocolate chips on top.
  • Final Bake: Return to the oven and bake for 25–30 minutes more, or until the edges are golden brown.
  • Finish: Immediately sprinkle the remaining 1/3 cup of toffee bits over the hot bars.
  • The Secret Step: Let them cool completely. For the best texture, cover the pan and let them sit for 1 day before slicing and serving.

Notes

  • Room Temp Butter: Ensure your butter is truly at room temperature (not melted) to get that perfect crumbly dough texture.
  • Easy Slicing: To get perfectly clean squares, line your pan with parchment paper with an overhang. Once cooled and set, you can lift the entire block out and slice with a long, sharp knife.
  • Toffee Brand: While Heath bits are the classic choice, you can also use chocolate-coated toffee bits for an even richer bar.
  • Make Ahead: Since these are better the next day, they are the perfect stress-free dessert for hosting!