Orange and almond polenta cake

Name: Orange and almond polenta cake
Ingredients: 175g/6oz butter, softened and cubed, plus extra for greasing; 175g/6oz caster sugar; 3 medium free-range eggs; 200g/7oz ground almonds; 100g/3½oz fine polenta; 50g/1¾oz Greek-style yoghurt; 1 heaped tsp baking powder (gluten-free if required); 4 green cardamom pods, seeds only, lightly crushed; 1 tsp fennel seeds; 1 lemon, finely grated zest only; 1 medium orange, finely grated zest and juice only (around 40ml/1½fl oz juice); 20g/¾oz flaked almonds; 4 tsp runny honey (optional)