Red velvet cake

INGREDIENTS

• few sweets to decorate, we used jelly hearts from a sweet shop (optional)
• 250g butter , plus extra for greasing
• 200g dark chocolate , broken into chunks
• 500g plain flour
• 500g golden caster sugar
• 2 tbsp cocoa powder
• 1 tsp bicarbonate of soda
• ½ tsp salt
• 2 large eggs
• 200g natural yogurt
• 400g cooked beetroot in natural juices (not vinegar)
• 4 tbsp or 2 x 28ml bottle red food colouring (optional- a natural liquid colouring will not work; we used Scarlett Langdale)
• 200g full-fat soft cheese , at room temperature
• 250g butter , softened
• 400g icing sugar , sifted
• 2 tsp vanilla extract