Chocolate & Banana Marble Cake (loaf or muffins)

28th April 2019
Blog post

Why make a normal marble cake when you can add a banana into the mix?!! This recipe is dreamy. Incredibly easy to make and really simple ingredients… but it produces a fluffy, indulgent, beautiful cake!

Works perfectly as a large loaf or individual muffins. Top with chocolate buttons or even some crunchy peanut butter. YUM!

Chocolate & Banana Swirl Cake

You won’t believe how easy this fluffy, gluten & dairy free cake is to make. So yummy and always gets a “wow” when its sliced up and the marble is revealed!!
Prep Time10 mins
Cook Time30 mins
Total Time40 mins
Servings: 8 people
Course: Dessert
Cuisine: english
Keyword: banana cake, dairy free cake, gluten free cake

Ingredients

  • 140 grams butter I use a spread like Flora Dairy Free
  • 100 grams caster sugar
  • 50 grams light brown sugar
  • 2 eggs
  • 150 grams gluten free self-raising flour
  • 1 tbsp cocoa powder mixed with 1 tbsp hot watermeasure this carefully
  • 1 mashed banana – as ripe as possiblelots of black spots, mashed with a fork

Optional

  • 1 pack free-from choc buttons or cacao nibs

Instructions

  • Preheat the oven fan 180°C
  • Whisk together the butter and both types of sugar until fully combined
  • Crack the eggs into the same bowl. Add the flour too. Whisk until smooth (20-30 seconds on high).
  • Divide the mix into two bowls, with equal amounts in each. (in the pic, you can see: a mug with cocoa powder & water, a bowl with mashed banana and two silver bowls with half the cake mix in each)
  • In one half of the mix, add the cocoa powder & water. Whisk until combined.
  • In the other half, add the mashed banana. Whisk until combined.
  • Line your muffin tray with cases/your loaf tin with baking paper.

If you’re making a Loaf:

  • Add a couple of spoonfuls of the chocolate mix to the base of your loaf tin. Add some spoonfuls of banana mix. Repeat until you’ve used all your mix. Draw one big “S” through the loaf to give it the perfect marble
  • Bake for 20mins and then check on it – if the top is starting to brown, lay a piece of foil loosely over the top (this will stop the top cooking so quickly, but the middle will keep cooking!). If you’d like to add chocolate buttons/cacao nibs, do that now!
  • Return to the oven for another 10-20mins, or until a knife comes out just clean (it’s quite a wet mix so don’t expect the knife to be totally clean. It’ll also keep cooking whilst its cooling even after its been removed from the oven!)

If you’re making Muffins:

  • Add a spoonful of the chocolate mix to each muffin case. Add a spoonful of the banana mix. Repeat until you’ve used all your mix and the muffin cases are ¾ full. 
  • Draw an “S” into each muffin with a knife, to give the muffins the perfect marble.
  • Bake for 20-25mins, or until a knife comes out just clean. If you’re adding chocolate buttons, place them on top after 15mins of cooking time.
Print Recipe

If you want them to look extra yellow (like my muffins below), add a tiny drop of yellow food colouring to the mashed banana!

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