Cornbread with chilli, oregano and red onion

Ingredients

• 100g salted butter, melted
• 250g finely ground corn (polenta)
• 1 1/2 teaspoons of baking powder
• 1/2 a teaspoon of bicarbonate of soda
• big pinch sea salt
• 2 free-range eggs
• 400g natural yoghurt
• 1 teaspoon of local honey
• 1/2 a red onion, finely chopped
• Handful of fresh oregano leaves, finely chopped
• 1 green chilli, finely chopped
• the kernels of one corn-on-the-cob chopped up
• 50g grated smoked cheddar