COURGETTE AND CARDAMOM CAKE RECIPE - TOM KERRIDGE

Ingredients

• Sunflower oil spray
• 250g half-fat margarine
• 100g caster sugar
• 4 tbsp granulated sweetener
• 3 large free-range eggs
• 250g self-raising flour
• 1 tsp bicarbonate of soda
• 1 tsp ground cardamom
• 1 vanilla pod, split and seeds scraped
• Finely grated zest of 2 limes
• 200g courgettes, grated
• 100g icing sugar
• 1 tbsp light cream cheese
• 1 tbsp lime juice
• Grated zest of 1 lime