Set out a heavy skillet or cast iron griddle. Beat the eggs slightly in a

pie tin or shallow bowl and add the milk or cream and salt, set aside.

Spread the bread slices out on a flat working surface. Spread one side of

four slices of bread lightly with the prepared mustard. Top each with a

slice of cheddar cheese. Butter the remaining four slices of bread and top

each cheese slice with bread, butter side down. Heat the butter in the

skillet or on the griddle. Carefully dip each sandwich into the egg

mixture, coating both sides. Allow the excess egg mixture to drain back

into the bowl. Dip only as many sandwiches as will lie flat in the skillet

or griddle. Cook over low heat until browned. Turn and brown the other

sides. Repeat for the remaining sandwiches and if necessary, add more

butter to the skillet or griddle to prevent sticking. Or you can place the

sandwiches, after dipping, on a well greased baking sheet and brown in the

oven at 450 degrees F. for 8 to 10 minutes. Serve hot.