Tres leches coconut cupcakes with dulce de leche buttercream Recipe | Food Network UK

Ingredients

• 55g solid vegetable oil
• 110g unsalted butter, softened
• 200g sugar
• 3 eggs, separated
• 1/2 tsp vanilla essence
• 140g plain flour
• 1/2 tsp bicarbonate of soda
• 1/2 tsp salt
• 190ml buttermilk
• 125ml evaporated milk
• 125ml sweetened condensed milk
• 125ml coconut milk
• 75g lightly toasted desiccated coconut
• For the dulce de leche buttercream
• 410ml sweetened condensed milk
• 2 egg yolks
• 150g sugar
• 3 tbsp cornflour
• 1/4 tsp salt
• 60ml water
• 1 tsp vanilla essence
• 200g unsalted butter, softened to room temperature
• 75g icing sugar