step 1
Preheat the oven to 200C/gas mark 6.
step 2
Mix together the self-raising flour, baking powder, salt, sugar, grated cheese and sweetcorn in a bowl.
step 3
Melt the butter then mix in the mustard, yogurt, milk, egg and chives. Pour the cheese mixture into the flour and mix briefly to combine. Spoon a small amount of the batter into lightly greased muffin tins. Place a piece of cheese in the centre of each muffin then top with the remaining batter.
step 4
Bake in the oven and bake for 20-25 minutes until golden. Remove and place on a wire rack. Serve warm.