The Christmas Mars Bar Slice is a delightful treat that brings festive cheer to any gathering. The no-bake dessert combines the creamy goodness of Mars bars with the crunch of rice bubbles and the fun twist of gummy frogs, making it a favorite amongst kids and adults alike.

For those looking for alternatives, you can swap the Mars bars with any chocolate bar you love, or use a dairy-free butter if you’re aiming to make it vegan. The gummy frogs can be replaced with your favorite candy or left out entirely for a simpler version. Always check labels for allergens if you’re cooking for someone with food sensitivities.
Brownies & Bars
Christmas Mars Bar Slice Recipe
Ingredients
- 4 (60 g) Mars bars
- 80 g butter
- 6 cups rice bubbles
- 1 (200 g) packet gummy frogs (red and green ones)
- 200 g melted chocolate, to drizzle
Instructions
- Cut up 4 Mars bars and place them in a microwavable bowl with 80 g of butter. Microwave for about 1-2 minutes, keeping a close eye as they melt quickly.
- While the Mars bars are melting, chop up the gummy frogs into small pieces and combine them with 6 cups of rice bubbles in a large bowl.
- Once the Mars bars and butter are melted, pour the mixture over the rice bubbles and gummy frogs. Stir until all the rice bubbles are evenly coated.
- Transfer the mixture to a lined baking pan, pressing it down firmly to form an even layer. Refrigerate for at least one hour until set.
- After chilling, drizzle with 200 g of melted chocolate and place back in the fridge for an additional 30 minutes.
- Once the chocolate has set, remove from the fridge and cut into slices. Enjoy the festive treat that everyone will love.
Part of our Brownie and Bar Recipes collection — Part 2 of 4:
If you’re in the mood for something a little different, try the Cinnamon Brownie Cookies. The blend of rich chocolate and warm cinnamon creates a delightful cookie that’s perfect for holiday gatherings.