Pretty princess cake - Good Food Middle East

Ingredients

• 500g unsalted butter, softened, plus extra for greasing
• 500g caster sugar
• seeds scraped from 2 vanilla pods or 2 tsp vanilla paste
• 10 large eggs, cracked into a jug
• 170g plain flour
• 200g full-fat Greek yogurt
• 500g self-raising flour
• 250g unsalted butter, softened
• 500g icing sugar, sieved
• 400g white ready-to-roll icing
• 500g pink ready-to-roll icing
• edible lustre spray in pink or pearl
• 8 small icing roses
• 1 large icing rose
• 1 mini sugar butterfly
• 250g royal icing sugar
• 1 pink cake board
• 1 Barbie-style doll