41.   Stir in Jack cheese, Parmesan cheese and pine nuts, heat just until cheese is melted.

42.   Stir to combine and melt the cheese.

43.   The contraption generated enough heat to melt the cheese, at first slowly, then faster and faster.

44.   The wine must not boil, it should only be hot enough to melt the cheese.

45.   Then the sandwich is put on a press that flattens the bread and melts the cheese.

46.   This cheese is often melted for queso fundido or enchiladas suizas.

47.   Transfer to dinner or serving plate, top with shredded cheese and place in oven to melt cheese.

48.   Toss lightly to melt cheese slightly and add toasted pine nuts and watercress leaves.

49.   To test for quality, this Mexican-food purist suggests melting the cheese over low heat.

50.   Turn and cook until cheese is melted.