Sift flour, sugar, baking powder and salt together. Fold in the cheese, coating the cheese with the flour mixture. Add the unbeaten egg, milk and melted fat; stir quickly and lightly until mixed but do not beat. Spoon into well greased muffin pans, filling each cup 2/3 full. Bake at 400 F for 20 to 30 minutes according to size of muffin cups. Makes 16 medium muffins.
