Heat the oven to 220C/200C/gas 7 or air fryer to 180C. Heat a deep-sided frying pan or shallow casserole dish on a medium heat. Add the butter then once melted, stir in the onion and cook for 5 mins until soft. Stir through the garlic and corn and cook for 2-3 mins. Dissolve the miso in the stock then pour into the corn, cook for 5 mins. Stir through the crème fraîche and season to taste. Pour into a baking dish or if air frying, pour the corn mix into an air fryer safe dish.
