Sour cream pancakes with Suzette sauce

Ingredients

• 235 ml buttermilk
• 210 g sour cream
• 1 egg
• 2 tsp vanilla extract
• 1 1/3 cup plain flour
• 1/2 cup caster sugar
• 1 tsp baking powder
• 1 tsp baking soda
• 1/2 tsp sea salt
• Clarified butter, for frying
• Icing sugar and mascarpone, to serve
• Suzette sauce
• 1/2 cup mandarin juice
• 75 g caster sugar
• 2 tbsp Grand Marnier, or other orange liqueur
• 65 g unsalted butter, diced
• 1/4 tsp sea salt flakes
• 3 mandarins, peeled, pith removed, sliced into rounds, seeds discarded