Roy Chois Los Angeles-Style Double Cheeseburger

• 1/3 cup mayonnaise
• 1 tablespoon toasted sesame seeds
• 4 tablespoons unsalted butter, at room temperature
• 4 Brioche hamburger buns, split
• 2 pounds ground chuck, shaped into 8 (1/4-inch-thick) patties
• kosher salt and freshly ground pepper
• 2 tablespoons olive oil
• 8 slices cheddar cheese
• 4 butter lettuce leaves
• 4 shiso or sesame (perilla) leaves
• 4 thin slices tomato
• 4 thin slices red onion
• hot sauce, preferably Tapatio, for serving

1. In a small bowl, mix the mayonnaise with the sesame seeds.
2. Heat a large nonstick griddle or 2 nonstick skillets over moderate heat.
3. Butter the cut sides of the hamburger buns and toast them on the griddle until golden, 4 to 5 minutes.
4. Transfer to a platter.
5. Season the patties with salt and pepper.
6. Brush the griddle with the olive oil, add the patties and cook over high heat for 2 minutes.
7. Flip the patties and cook for 2 minutes longer, then top each one with a slice of cheddar.
8. Cook just until the cheese has melted, about 1 minute.
9. Stack 2 burgers on each bun.
10. Top with the lettuce, shiso, tomato and onion, then drizzle with hot sauce.
11. Spread the top halves of the buns with the sesame mayo, close the burgers and serve.

mayonnaise, sesame seeds, unsalted butter, hamburger buns, ground chuck, kosher salt, olive oil, cheddar cheese, butter, sesame, thin slices tomato, thin slices red onion, hot sauce

Taken from www.foodrepublic.com/recipes/roy-chois-los-angeles-style-double-cheeseburger-recipe/ (may not work)