Potato Chip-Chocolate Toffee

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  • Level: Easy
  • Total: 50 min
  • Prep: 20 min
  • Cook: 30 min
  • Yield: 5 cups
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Ingredients

2 sticks unsalted butter, plus more for the baking sheet

5 cups thick-cut potato chips

1 cup sugar

2 teaspoons vanilla extract

2 tablespoons apple cider vinegar or white vinegar

5 ounces bittersweet or semisweet chocolate, finely chopped

Directions

  1. Line a baking sheet with foil and butter the foil. Set 1 cup potato chips aside; break the remaining 4 cups chips in half if they're large.
  2. Combine the butter, sugar, vanilla and vinegar in a saucepan over medium-high heat and cook, stirring occasionally, until the mixture is light amber and a candy thermometer registers 320 degrees F, about 10 minutes. Remove from the heat and stir in the 4 cups chips, then immediately pour onto the baking sheet and spread in a thin layer. Gently press the reserved 1 cup chips on top of the toffee and let cool.
  3. Put about three-quarters of the chocolate in a microwave-safe glass bowl and microwave 30 seconds. Stir, then continue to microwave in 30-second intervals, stirring between each, until melted. Add the remaining chocolate and stir until smooth, about 4 minutes.
  4. Drizzle the chocolate over the toffee. Set aside to harden, about 20 minutes. Break the toffee into pieces.