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Prince William Squares close up image on white serving platter.

Prince William Squares

Prince William Squares. A downsized version of the UK favourite, chocolate biscuit cake, but made into smaller portions as cookie squares.
Course Cookies/Confectionary, Cookies/Cookie Bars
Cuisine British
Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Servings 36 cookie squares
Calories 129 kcal


  • 1 pound dark chocolate roughly chopped (or 2 2/3 cups chocolate chips)
  • 1/2 cup unsalted butter
  • small pinch salt (omit if choosing to use salted butter)
  • 2 tbsp whipping cream
  • 3 tsp golden syrup or corn syrup
  • 1/2 pound digestive biscuits broken by hand into postage stamp sized pieces


  1. Lightly grease a 9x9 inch pan and line with parchment paper.
  2. Melt the butter over medium low heat.
  3. Add the chocolate and salt and continue over medium low heat until the chocolate is fully melted.
  4. Remove from heat and stir in the whipping cream and golden syrup until smooth.
  5. Fold in the broken biscuits and pour into the prepared pan that has been lined with plastic wrap or parchment paper.
  6. Chill in the fridge for at least 2 hours or overnight.
  7. Remove from pan and cut into 36 small squares or 24 cookie bars if you prefer them larger.

Recipe Notes

NOTE: I have made this recipe with salted butter. Just omit the pinch of added salt in the recipe.

Total time includes chilling time for the squares. They will need a couple of hours to chill and set.

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.

Nutrition Facts
Prince William Squares
Amount Per Serving (1 cookie square)
Calories 129 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 4g25%
Cholesterol 8mg3%
Sodium 33mg1%
Potassium 98mg3%
Carbohydrates 11g4%
Fiber 1g4%
Sugar 5g6%
Protein 1g2%
Vitamin A 95IU2%
Calcium 12mg1%
Iron 1.7mg9%
* Percent Daily Values are based on a 2000 calorie diet.