Hazelnut chocolate Seashell cake - Guylian

Ingredients

• 50g chocolate hazelnut spread
• 115g gluten free flour
• 175g caster sugar
• 1/2 tl baking powder
• 45g cocoa powder
• 1/2 tsp bicarbonate of soda
• 50ml double cream 40%
• 1 egg
• 125ml milk
• 65ml vegetable oil
• 1 tesp vanilla-extract
• 125ml boiling water
• 100g milk chocolate
• 250g box of Guylian Sea Shell Chocolates