Christmas Mars Bar Slice Recipe

A festive twist on a classic slice! This recipe is perfect for those who want a delicious, easy-to-make Christmas treat that even kids who are picky about cherries and copha will love. This no-bake slice uses everyone's favorite Mars bars for a rich, chocolatey base, combined with crunchy rice bubbles and a delightful surprise ingredient. Get ready to impress your family and friends with this simple yet stunning Christmas dessert!

Prep Time 30 mins
Cook Time 150 mins
Calories 354.9 kcal
Protein 10g
Rating Be the first
Christmas Mars Bar Slice 43

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Christmas Mars Bar Slice

  • 300g Mars bars
  • 125g butter
  • 5 cups Rice Bubbles cereal
  • 1 cup chopped green frogs
  • 100g chocolate (dark, milk, or white)
  • Christmas sprinkles (optional)

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How to Make Christmas Mars Bar Slice

  1. Melt 200g of Mars bars and 100g of butter in a microwave-safe bowl in 30-second intervals, stirring until smooth.
  2. In a separate large bowl, combine 5 cups of Rice Bubbles cereal and 1 cup of chopped green frogs (or other similar candy).
  3. Pour the melted Mars bar mixture over the Rice Bubbles and frogs. Stir gently until all the cereal is evenly coated.
  4. Press the mixture firmly into a lined 20x30cm baking tin.
  5. Refrigerate for at least 1 hour, or until firm.
  6. Melt 100g of your favorite chocolate (dark, milk, or white) and drizzle over the set slice.
  7. Refrigerate for another 30 minutes to allow the chocolate to set.
  8. Cut into squares and serve. Enjoy!
  9. Merry Christmas!

Nutrition Information (Approximate per serving)

Sodium

8 g

Sugar

86g

Fat

55g

Carbs

15g

Frequently Asked Questions

How long does it take to make Christmas Mars Bar Slice?

Christmas Mars Bar Slice takes about 180 minutes from start to finish — roughly 30 minutes to prepare and 150 minutes to cook.

How many calories are in Christmas Mars Bar Slice?

Christmas Mars Bar Slice has approximately 354.9 calories per serving, with about 10 g protein, 15 g carbohydrates and 31 g fat.

What ingredients do I need for Christmas Mars Bar Slice?

The key ingredients for Christmas Mars Bar Slice are Mars Bars, Butter, Rice Bubbles, Gummy Frogs, Chocolate, Christmas sprinkles (optional). See the full list with measurements above.

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