Navarra Cheese Burger with Black Pepper Mustard

Method

1. Cook the beef patty on a skillet over medium heat until desired doneness.
2. Toast the three-grain bread if desired.
3. Spread ketchup and mayonnaise on the bottom bread slice.
4. Add the patty, Navarra cheese, and black pepper mustard.
5. Top with lettuce and tomato, then close the burger.
6. Check that the ground meat reaches 71°C (160°F) throughout before serving.