Place the bacon on a baking sheet and place in the oven at 190oc for around ten minutes until crisp, or cut into pieces and fry until crisp. Set aside on kitchen paper.
Mix the milk, water some salt and pepper in a medium saucepan and bring to the boil. Turn down the heat to a simmer and gradually whisk in the polenta. Cook over a low heat until thick and creamy.
Stir in the butter and the parmesan cheese.
Tip in the can of drained sweet corn and finally stir in the bacon pieces.
Pour into a serving bowl and top with a few last pieces of bacon and a little more parmesan.