Mango, strawberry and yogurt cake - Moje wypieki

Ingredients

• 100 g butter
• ¾ cup caster sugar
• 1 large egg
• 250 g mango puree
• ¾ cup buttermilk or kefir or yogurt
• 300 g plain flour
• 1.5 tsp baking powder
• 1 tsp baking soda
• 220 g mascarpone, chilled
• 120 g thick Greek yoghurt, chilled
• 1.5 – 2 Tbsp icing sugar (or to taste)
• 1 tsp vanilla paste
• 250 g strawberries, hulled and halved