Preheat the oven to 160 degrees Celsius / 320 degrees Fahrenheit.
Put the coconut oil and cacao butter in a small saucepan and heat gently over a low heat until melted.
When melted, take off heat and mix together the wet ingredients (coconut oil to vanilla essence).
In a large bowl, mix the flour, baking powder and sugar.
Pour the wet ingredients into the dry ingredients and combined well.
Pour the mix into a prepared cake tin.
Bake in the oven for 45 minutes.
Let cool before removing from cake tin, and then cool completely before decorating (if doing so).
OPTIONAL STEPS FOR STAR WARS CAKE
Mix the cacao, coconut oil and rice malt syrup together (melt the oil over some hot water if it is solid).
Spread on a sheet of baking paper and refrigerate or freeze until solid (about 1 hour).
Spread the jam on top of the cake.
Break the chocolate into pieces and place strategically on the jam.
Refrigerate the cake until serving.