Bubble Pop Electric Cupcakes

Ingredients

• 3 tsp baking powder
• 2 large eggs
• 1/2 tsp fine salt
• 1/2 cup vegetable oil
• 3 1/2 cups all-purpose flour
• 1 1/2 cups whole milk
• 8 tbsp cold water
• 1/2 cup unsalted butter (softened)
• 2 tbsp Greek yoghurt (or sour cream)
• 1 1/4 cups caster sugar (superfine)
• 1 tsp vanilla extract (or vanilla bean paste)
• 1 batch fluffy vanilla buttercream frosting
• Small balloons
• 28 g powdered gelatin
• 1 or 2 drops Americolour Deep Pink gel colour
• 1 tsp bubble-gum flavouring (see notes)
• 3 drops ‘deep pink’ food gel
• Mixed pink sprinkles. Anything you can find. The more the different kinds the better!
• 1 1/4 cups white cooking chocolate
• 1 cup thickened cream (at least 35% fat content)
• 1 tsp bubble-gum or strawberry flavouring
• 1 drop ‘sky blue’ food gel
• 1-2 drops ‘sky blue’ food gel