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Dairy Free Rum and Coconut Cake

A moist, coconut-rich dairy-free cake brushed with dark rum syrup and layered with a less-sweet coconut buttercream. Toasted coconut adds texture and deeper flavour, while the simple filled finish makes it easy to make ahead and transport.
Prep Time:40 minutes
Cook Time:30 minutes
Cooling and Assembly Time:1 hour 30 minutes
Course: Dessert
Cuisine: australian
Keyword: coconut buttercream, coconut layer cake, coconut rum cake, dairy free buttercream, dairy free cake, dairy free coconut cake, dairy free rum and coconut cake, dark rum cake, rum cake, rum coconut cake, toasted coconut cake
Servings: 12 slices

Ingredients

Coconut Rum Cake

  • 280 grams plain flour
  • 20 grams coconut flour80g
  • 80 grams desiccated coconut
  • 2 tsp baking powder
  • 1/2 tsp bicarbonate of soda
  • 1/2 tsp fine salt
  • 220 grams caster sugar
  • 3 large eggs
  • 160 ml full fat coconut milk
  • 60 ml coconut cream
  • 60 ml dark rum
  • 100 ml vegetable or neutral oil
  • 2 tsp vanilla extract
  • 1/2 tsp coconut extract, optional

Dark Rum Syrup

  • 40 grams caster sugar
  • 40 ml water
  • 50 ml dark rum
  • 1 pinch fine sea salt

Dairy Free Coconut Frosting

  • 180 grams Nuttelex, softened but not warm
  • 70 grams neutral vegetable shortening, softened
  • 250 grams icing sugar, sifted
  • 60 grams thick coconut cream
  • 30 grams desiccated coconut, lightly toasted
  • 1 tsp vanilla extract
  • 1/4 tsp fine salt

Instructions

Coconut Rum Cake

  1. Heat the oven to 170°C fan / 190°C conventional. Grease and line the bases of two 20cm cake tins (can use one tin and cut in half after baking if don’t have two tins).
  2. In a large bowl, whisk together the plain flour, coconut flour, desiccated coconut, baking powder, bicarbonate of soda and salt.
  3. In a separate bowl, whisk the sugar and eggs for 1–2 minutes until well combined and slightly aerated.
  4. Whisk in the coconut milk, coconut cream, rum, oil, vanilla and coconut extract, if using.
  5. Add the dry ingredients and fold gently until just combined. Don’t overmix.
  6. Divide evenly between the prepared tins and smooth the tops.
  7. Bake for 28–34 minutes, or until the cakes spring back lightly and a skewer inserted into the centre comes out clean or with a few moist crumbs.Leave in the tins for 10 minutes before turning onto a wire rack

Dark Rum Syrup

  1. Combine the sugar and water in a small saucepan and bring to a simmer.
  2. Cook just until the sugar has completely dissolved. Remove from the heat and stir in the rum and salt.
  3. While the cakes are still slightly warm, brush the syrup gradually over the tops of both layers.
  4. Give it time to absorb rather than pouring it on. Cool completely before filling.

Dairy Free Coconut Frosting

  1. Beat the Nuttelex and shortening together for 3–4 minutes until very pale, smooth and aerated.
  2. Add the icing sugar in three additions, beating on low initially and then medium-high until thoroughly incorporated
  3. Add the vanilla and salt. Add coconut cream, a tablespoon at a time, beating thoroughly after each addition. Check the consistency before adding more, depending on your shortening, you may not need the full 60 grams, add 5 grams at a time and check the consistency.
  4. If it’s a little soft, refrigerate for 15–20 minutes before filling the cake.
  5. Fill and frost cake and top with toasted coconut.