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Millionaire's Shortbread

A layer of shortbread topped with chewy caramel and chocolate - a fancy version of a Twix bar!
Course Dessert
Cuisine American
Prep 45 minutes
Cook 30 minutes
Total 1 hour 15 minutes
Servings 16 bars
Calories 321 kcal
Author Michelle

Ingredients

For the Crust:

  • 1 cup all-purpose flour
  • ¼ cup dark brown sugar
  • 2 teaspoons cornstarch
  • ¼ teaspoon salt
  • 1/2 cup cold unsalted butter cut into ½-inch cubes
  • 1 tablespoon ice water
  • 1 egg yolk

For the Caramel:

  • 14 ounce can sweetened condensed milk
  • ½ cup dark brown sugar
  • 6 tablespoons unsalted butter
  • 2 tablespoons Lyle's Golden Syrup or dark corn syrup
  • 1 teaspoon vanilla extract
  • Pinch of salt

For the Ganache Topping:

  • 6 ounces semisweet chocolate finely chopped
  • 3 tablespoons heavy cream
US Customary - Metric

Directions

  1. Make the Crust: Preheat oven to 350 degrees F. Line a 9-inch square pan with aluminum foil, allowing at least an inch overhang on all sides. Spray with nonstick cooking spray).
  2. In a large bowl, whisk together the flour, brown sugar, cornstarch and salt, making sure there are no lumps of brown sugar remaining. Add the butter and cut into the flour mixture using a pastry blender or two knives until a coarse meal forms. Add the ice water and egg yolk and blend with a fork until moist clumps form. Dump the dough into the prepared pan and press into an even layer. Bake until golden brown, about 20 minutes.
  3. Make the Caramel: Whisk the sweetened condensed milk, brown sugar, butter, golden syrup and salt together in a medium saucepan over medium heat until the sugar dissolves, the butter melts and the mixture comes to a boil. Attach a candy thermometer to the side of the pan and boil, whisking constantly, until the caramel is thick and the temperature registers 225 degrees F, about 6 minutes. Quickly whisk in the vanilla extract and pour the caramel over the prepared crust; cool for about 15 minutes, or until the caramel is set.
  4. For Chocolate Ganache: Place the chocolate and cream in a microwave-safe bowl and microwave in 30 second intervals on 50% power, stirring between each, until the chocolate is melted and smooth. Spread the chocolate over the caramel layer. Refrigerate the bars until the chocolate is set, at least 1 hour.
  5. Lift the bars out of the pan and transfer to a cutting board. Cut into squares and serve. Leftovers should be stored in an airtight container in the refrigerator for up to 5 days.

Recipe Notes

Nutritional values are based on one serving

Nutrition Facts
Millionaire's Shortbread
Amount Per Serving
Calories 321 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 10g63%
Cholesterol 51mg17%
Sodium 76mg3%
Potassium 174mg5%
Carbohydrates 37g12%
Fiber 1g4%
Sugar 29g32%
Protein 3g6%
Vitamin A 440IU9%
Vitamin C 0.7mg1%
Calcium 93mg9%
Iron 1.2mg7%
* Percent Daily Values are based on a 2000 calorie diet.