Preheat oven to 180C, line cupcake pan with cupcake wrappers 2. In a mixing bowl, whisk oil and sugar. Add eggs and beat for one minute. 3. Add flour, salt, baking powder, milk and vanilla and beat for another minute 4. Spoon batter into cupcake wrappers (only filling halfway) and bake for 15 - 20 minutes or until cupcakes are lightly browned5. Cool completely before frosting
For the buttercream
Beat butter until light and creamy 2. Then add in half the icing sugar and mix till combined. 3. Now add the milk and the other half of icing powder and mix till combined 4. Divide your icing into separate bowls and mix in a few drops of food colouring according to what design you'd like to make. For chocolate - just add a few tsp of cocoa powder. 5. Fill your icing into piping bags and get decorating!