Reduce the heat and whisk in the polenta, stirring continuously for 8-10 minutes until the polenta is cooked and begins to pull away from the sides of the saucepan.
Remove from the heat.
Add the cheddar and seasonings and whisk through until cheese has melted.
Pour polenta into a lined 20cm x 30cm tin, smooth over, cover and refrigerate until set.
Cut polenta into triangle shapes and place into a greased baking dish, overlapping slightly.
Combine the breadcrumbs, butter and parsley and sprinkle over the polenta.
Bake at 180 degrees C for 20-25 minutes or until golden.
Grill or pan fry the chorizo sausages and serve alongside the baked polenta with steamed greens.