Submitted by Tara Astill.

Chocolate Mars & Mousse cake

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Prep Time 10 minutes
Cook Time 2 hours
Total Time 2 hours 10 minutes

Ingredients
 

  • 1 chocolate cake mix
  • 2tbsp vegetable oil
  • 8 mini Mars Bars
  • 1 packet instant chocolate mousse

Instructions
 

  • prepare a 1.5lt slow cooker ( don't turn on til all ingredients are in sc)
  • mix cake mix as per instructions.
  • add oil to cake mix (unless cake mix already calls for oil, don't double up).
  • spray sc insert with canola spray and add cake mix.
  • chop mars bars into small pieces and sprinkle over cake mix.
  • mix mousse as per instructions and dollop half the mix on top of the cake mix and mars pieces.
  • cover sc with a tea towel and place lid on top.
  • cook on high for 20 minutes then switch to low for 1 hr 40 mins or until cake is cooked through.
  • when cooked, run a sharp knife around edges to loosen, place a plate on top of the insert and flip over.

Notes

  • Serve hot with left over choc mousse and vanilla ice-cream.
  • Be sure to rotate slow cooker if using a 1.5lt to avoid burning due to a hot spot. Rotate every half hour.
Paulene @ Slow Cooker Central

About the Author: Paulene @ Slow Cooker Central

12 Comments

  1. Dianne Waite

    A hit with the family. Will make again but will put in a bigger SC as it over flowed in the 1.5l

  2. Lorraine Barber

    Made this today. It was a hit with myself and hubby. Did it in my 1.5 SC. Was fine. Didn’t overflow. Just a chocolaty tea towel lol ?. But i can live with that lol. Thanks for sharing this recipe ?

  3. Brooke

    Can this be cooked in advance during the day & heated up in the oven when needed?

  4. Christine warnock

    Yes use a bigger cooker also l put large pieces of Mars bar so it doesnt melt altogether also l use all the choc mousse and have it with ice cream

  5. Michelle

    I want to make. Mars bar lava cake for dinner party tomorrow night but would like to do in individual ramekins but don’t have time tomorrow to experiment with cooking times. Do you have any idea how long it would approximately take. Thank you in advance

  6. Amanda

    Made this delightful recipe for hubby and the kids in my 1.5L slow cooker.
    Turned out perfectly!

  7. Heidi Fletcher

    Hi what do you mean rotate your slow cooker I haven’t heard of that before, never really cooked desserts in my sc. Thank you

    1. Paulene @ Slow Cooker Central

      Hi Heidi .. for round slow cookers some rotate the inner cooking bowl a couple times during cooking to avoid any hot spots in one place 🙂

  8. Lynda

    What do you do with other 1/2 of mousse mix?

    1. Paulene @ Slow Cooker Central

      Hi Lynda 🙂 It says “Serve hot with left over choc mousse and vanilla ice-cream”

  9. Jenny

    I cooked this a few nights ago n meant to write a comment but just remembered to do it now lol ?
    This dessert was sooo yummy ? I used my 3 litre sc but it took longer to cook (3 hrs) all up, I had to put it on high for the last hr coz it still wasn’t cooked after 2 hrs!!! I put all the mousse on top n carefully spread it all over, turned out amazing ? thank you for sharing your delicious dessert recipe with us Tara ? will definitely make it again ?????

  10. Rachel woodman Woodman

    I made this recipe this week !
    Was super easy and come out delish
    My family loved it !
    Served it hot straight out of slow cooker with a scoop of ice cream !!!

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