Orange poppyseed cake

I made another cake… Orange poppyseed cake 250g (8oz) unsalted butter, plus extra for greasing 200g (7oz) caster sugar 3 eggs 250g (8oz) plain flour 1½ tsp baking powder 2 Seville oranges, zested and squeezed 50g (2oz) poppy seeds For the oranges in syrup 150ml (5fl oz) water 100g (3½oz) caster sugar 2 cardamom pods…