BEST Mars Bar Blondies

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  • Prep Time

    10 mins

  • Cook Time

    10 mins

  • Cool time:

    4 hrs

  • Total Time

    4 hrs 50 mins

  • Servings

    16 blondies

  • Calories

    309 kcal

  • Course

    Dessert

  • Cuisine

    American

BEST Mars Bar Blondies

A blonde brownie filled with Mars Bar pieces and a caramel swirl.

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Ingredients

Servings
  • 120 g Butter, melted then cooled for a few minutes
  • 130 g caster sugar
  • 130 g soft light brown sugar
  • 3 Medium eggs
  • 1 Teaspoon vanilla extract
  • 200 g plain flour
  • 275 g Mars bars (7 medium bars)
  • 100 g milk chocolate chips

Caramel swirl (optional):

  • 50 g Carnation caramel
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Instructions

  1. Preheat your oven to 160℃ (140℃ if you're using a fan oven). Line an 8x8-inch tin with baking paper.
  2. In a large bowl, mix together the melted butter, caster sugar and light brown sugar.
  3. Stir in the eggs and vanilla extract.
  4. Add all of the flour and mix well to make a smooth, thick blondie batter.
  5. Chop the Mars Bars into chunks and fold them into the mixture along with the chocolate chips.
  6. Put ¾ of the mixture into your lined tin and spread it out evenly. Drizzle over the caramel then use a toothpick to swirl it in. Top with the remaining blondie mixture.
  7. Bake for around 35-40 minutes, until the edges are pulling away and look a deep golden brown colour. The middle should be lightly golden but still have a slight wobble.
  8. Leave the blondies in the tin to cool completely then put them in the fridge for 3-4 hours to set. This will make the gooey centre turn firm and fudgy.
  9. Once the blondies have set, cut them into squares and enjoy.

Notes

  • Store in an airtight container in the fridge for 1 week.

Nutrition Information

Show Details
Serving 1blondie Calories 309kcal (15%) Carbohydrates 36g (12%) Protein 2g (4%) Fat 12g (18%) Saturated Fat 7g (35%) Monounsaturated Fat 2g Cholesterol 47mg (16%) Sodium 22mg (1%) Potassium 13mg (0%) Fiber 1g (4%) Sugar 34g (68%)

Nutrition Facts

Serving: 16blondies

Amount Per Serving

Calories 309 kcal

% Daily Value*

Serving 1blondie
Calories 309kcal 15%
Carbohydrates 36g 12%
Protein 2g 4%
Fat 12g 18%
Saturated Fat 7g 35%
Monounsaturated Fat 2g 10%
Cholesterol 47mg 16%
Sodium 22mg 1%
Potassium 13mg 0%
Fiber 1g 4%
Sugar 34g 68%

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

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