1: Preheat the oven to 350°F.
2: Mix flour, sugar, baking powder, and baking soda in a bowl.
3: In a separate bowl, cream the unsalted butter and add the dragon fruit puree and eggs.
4: Combine the wet ingredients with the dry ingredients.
5: Add vanilla essence and a few drops of food colouring if desired.
6: Stir in cake spice.
7: Pour the batter into a greased cake pan.
8: Bake for 40 minutes or until a toothpick comes out clean.
