Wash peel and chop mushroom. Heat oil in a pan add chopped mushroom stir and cover with lid for 2 mins. Then stir till the mushroom is cooked add sweet corn. Sprinkle salt and pepper and stir fry. Let it cool

Grate cucumber and squeeze out excess water. In a bowl add grated cucumber, mushroom and sweet corn, mayo, mustard cheese spread. Mix well.

Slice baguette (make thick slices). Spread some butter and then spread the cheesy veg mix on it. Garnish with more grated cheese and serve