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Buttery Graham Cracker Toffee Bars (Christmas Crack)

A close-up shot of a rich, layered graham cracker toffee bar topped with melted chocolate and flaky sea salt.

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Make this easy, five-ingredient graham cracker toffee that achieves a shatteringly crisp texture and rich, buttery flavor. This simple dessert, often called Christmas Crack, layers chocolate over homemade toffee and crackers.

Ingredients

Scale
  • 1 sleeve graham crackers (about 13 full sheets)
  • 1 ¼ cups unsalted butter
  • 1 ¼ cups packed dark brown sugar
  • 1 cup semi-sweet chocolate chips
  • ½ cup chopped pecans or almonds (optional)
  • Flaky sea salt for topping (optional)

Instructions

  1. Preheat your oven to 350 degrees Fahrenheit. Line a baking sheet with aluminum foil and place a layer of graham crackers tightly across the bottom.
  2. In a medium saucepan, combine the butter and brown sugar. Bring the mixture to a boil over medium heat, stirring constantly. Let it boil for exactly one minute without stirring once it reaches a boil.
  3. Immediately pour the hot toffee mixture evenly over the graham crackers, spreading it quickly to cover the entire surface.
  4. Bake the crackers and toffee for 5 minutes. The toffee should look bubbly.
  5. Remove the pan from the oven. Sprinkle the chocolate chips evenly over the hot toffee layer. Let stand for 5 minutes to soften the chips.
  6. Spread the melted chocolate across the crackers using an offset spatula. If using, sprinkle chopped nuts and flaky sea salt over the chocolate layer.
  7. Allow the toffee to cool completely at room temperature, or place it in the refrigerator for 30 minutes until the chocolate is firm.
  8. Break the toffee into irregular pieces before serving. Store leftovers in an airtight container.

Notes

  • For the best crunch, ensure you boil the butter and sugar mixture for a full minute to reach the proper toffee stage.
  • You can substitute the semi-sweet chocolate chips with milk chocolate or white chocolate for variation.
  • This recipe works well as an easy holiday gift when wrapped in cellophane bags.

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