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Mars Bar Slice
4.9 from 90 votes

Mars Bar Slice

The Mars Bar Slice combines melted Mars bars and butter mixed with puffed rice cereal to form a chewy and crunchy base, topped with a smooth milk chocolate and vegetable oil glaze. After chilling until firm, it cuts into sweet, chocolate-rich bars that balance caramel, nougat, and crispy texture.

Prep Time
15 mins
Total Time
15 mins
Servings: 20
Calories: 143 kcal
Course: Dessert
Cuisine: Australian

Ingredients

  • 7 oz Mars bars , chopped (see note 1)
  • ⅓ cup butter chopped, salted
  • 3 cups puffed rice cereal (see note 2)
  • 9 oz milk chocolate (see note 3)
  • 1½ tablespoon vegetable oil

Instructions

    Cup of Yum
  1. Line a 28x 18cm / 7" x 11" rectangle pan with baking/parchment paper.
  2. Combine the chopped Mars Bars and butter in a saucepan over low heat. Stir constantly until the mixture has melted. (see note 4)7 oz / 200 g Mars bars⅓ cup / 70 g salted butter
  3. Stir in the puffed rice cereal and press the mixture evenly into the lined tray. Push the mixture firmly to ensure the finished slice doesn't crumble.3 cups / 150 g puffed rice cereal
  4. Put the milk chocolate and vegetable oil in a microwavable bowl. Microwave at 50% power for 3 minutes, stirring every 20-30 seconds until the mixture completely melts.9 oz / 250 g milk chocolate1½ tbsp vegetable oil
  5. Pour the melted chocolate evenly over the slice.
  6. Refrigerate for at least 3 hours until set solid.
  7. Use a hot, dry knife to cut your slice into even squares.

Notes

  • Mars Bars have nougat and caramel covered in smooth chocolate, called Milky Ways in the US.
  • Rice Bubbles, Rice Krispies, or any puffed rice cereal can be used for the base.
  • Use milk chocolate for a creamier topping rather than cooking chocolate.
  • If the Mars bar and butter mixture separates while melting, remove from heat and stir well before mixing with cereal.

Nutrition Information

Calories 143kcal (7%) Carbohydrates 16g (5%) Protein 1g (2%) Fat 9g (14%) Saturated Fat 5g (25%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 3g (15%) Trans Fat 0.2g (10%) Cholesterol 9mg (3%) Sodium 43mg (2%) Potassium 45mg (1%) Fiber 1g (4%) Sugar 11g (22%) Vitamin A 107IU (2%) Vitamin C 0.1mg (0%) Calcium 15mg (2%) Iron 0.4mg (2%)

Nutrition Facts

Serving: 20 Serving

Amount Per Serving

Calories 143

% Daily Value*

Calories 143kcal 7%
Carbohydrates 16g 5%
Protein 1g 2%
Fat 9g 14%
Saturated Fat 5g 25%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 3g 15%
Trans Fat 0.2g 10%
Cholesterol 9mg 3%
Sodium 43mg 2%
Potassium 45mg 1%
Fiber 1g 4%
Sugar 11g 22%
Vitamin A 107IU 2%
Vitamin C 0.1mg 0%
Calcium 15mg 2%
Iron 0.4mg 2%

* Percent Daily Values are based on a 2,000 calorie diet.