Chapter 1
The accidental birth of a diner legend
Chapter 2
The science of the perfect melt
Chapter 3
The great debates and global twists
YOUR GOAL
Master of The great cheesy rise of the tuna melt
Ch 2 · The science of the perfect melt
renato Cheese Melting Science
Five point three! Five point three! That's the pH to set the calcium free!
renato Cheddar, Swiss, and American cheeses melt smoothly due to gliding proteins, high moisture, and emulsifying sodium phosphate that
Fun Fact
Mayo browning: Spreading mayonnaise on the outside of your bread creates a more even, golden crust than butter because mayo has a higher smoke point.
Glossary
casein (noun)
The primary protein found in milk and cheese that forms a structural network trapping fat and water. These molecules denature between 140 and 158 degrees Fahrenheit to create a cohesive, gooey sandwich layer.
The primary protein found in milk and cheese that forms a structural network trapping fat and water. These molecules denature between 140 and 158 degrees Fahrenheit to create a cohesive, gooey sandwich layer.
Quiz
What cooking method is typically used to melt the cheese on an open-faced tuna melt without flipping the sandwich?
Quiz
Why do many professional chefs spread mayonnaise on the outside of the bread instead of butter before grilling a tuna melt?
Quiz
Which bread option is favored by chefs for its structural integrity and tangy flavor that cuts through rich tuna salad?
Quiz
What culinary term describes the mixture of oil, egg yolk, and acid that keeps mayonnaise stable and creamy?
Quiz
Why does processed American cheese melt more smoothly on a tuna melt compared to aged cheeses like Parmigiano-Reggiano?
Quiz
What crucial step must be taken with canned tuna before mixing it with mayonnaise to prevent a soggy sandwich?
Quiz
What is the main reason hard, aged cheeses can sometimes become greasy and clumpy when melted?