Orange & almond cake with citrus mascarpone - Good Food Middle East

Ingredients

• 3 large oranges
• scrap of unsalted butter
• 140g polenta, plus 1-2 tbsp
• 200g flaked almonds
• 1 scant tbsp baking powder
• 7 large eggs
• 2 large egg yolks
• 350g golden caster sugar
• 500g tub mascarpone
• 3-4 tbsp Cointreau or other orange liqeur, to taste
• 3-4 heaped tbsp homemade (or artisan) lime marmalade, to taste