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Twix Cookies on a white serving plate.

Twix Cookies

These Twix cookies were inspired by the famous candy bar. Also known as Millionaire Shortbread, these indulgent bar cookies with a buttery shortbread base, caramel centre and rich chocolate top layer.

Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings 24 cookie bars
Calories 201 kcal
Author Barry C. Parsons

Ingredients

Shortbread Base

  • 1 ¼ cups flour
  • ½ cup butter
  • ¼ cup sugar
  • 2 tsp vanilla extract

Caramel Center

  • 1/2 cup melted butter
  • 1/3 cup dark corn syrup
  • 2 tsp vanilla extract
  • 300 ml One 10 oz 300 ml can sweetened condensed milk

Chocolate Topping

  • 1 cup chocolate chips
  • 2 tbsp butter

Instructions

Shortbread Base

  1. Pulse together in a food processor until crumbly or just rub together with your hands until crumbly.
  2. Press into the bottom of a well greased or parchment lined 9x9 baking pan. Bake at 350 degrees for 20-25 minutes until it begins to brown at the edges. Remove from oven and cool completely before adding the caramel layer.

Caramel Center

  1. In a small saucepan combine the butter, sugar and vanilla extract.
  2. Bring to a slow boil until foamy, then add the sweetened condensed milk.
  3. Bring back to a very slow boil over medium low heat and cook, stirring continuously for another 15-20 minutes until the mixture darkens slightly and thickens.
  4. Remove from heat and pour into the prepared shortbread base. Chill for 2 hours or more until thoroughly cooled before adding the chocolate topping.

Chocolate Topping

  1. Melt together the chocolate chips and butter in a double boiler.
  2. Spread evenly over the cooled caramel and let stand until the chocolate sets before cutting into bars or squares.

Recipe Notes

The nutritional information provided is automatically calculated by third party software and is meant as a guideline only. Exact accuracy is not guaranteed. For recipes where all ingredients may not be used entirely, such as those with coatings on meats, or with sauces or dressings for example, calorie & nutritional values per serving will likely be somewhat lower than indicated.