What is the amount of onion and green pepper used on the bottom of a Philly Cheese Steak sandwich?

For a Philly Cheese Steak sandwich, the standard amounts for onion and green pepper are indeed set at 0.5 ounces each. This quantity ensures a balanced flavor profile without overwhelming the overall taste of the sandwich. The onions contribute sweetness and a slight crunch, while the green peppers add a fresh, slightly bitter note that complements the richness of the meat and cheese. The specified measurement allows for a harmonious blend of flavors, maintaining the integrity of this classic sandwich.