Cookwith - The $46 Burger—Culture Awards Edition (with Kimchi Special Sauce & Cheesy Hash Brown Waff

Ingredients

• 1 1/2 lbs ground beef (80/20 blend)
• 4 slices sharp American cheese
• 4 potato hash brown waffles (store-bought or homemade, see step)
• 1 cup kimchi, finely chopped (make sure no coconut)
• 1/2 cup mayonnaise
• 1 tbsp gochujang
• 1 tbsp ketchup
• 1 tsp toasted sesame oil
• 1 tbsp rice vinegar
• 4 large eggs
• 4 tbsp unsalted butter, divided
• 4 brioche burger buns, split
• Kosher salt
• freshly ground black pepper
• 1 small red onion, thinly sliced
• 1 cup baby arugula
• Nonstick spray or oil for waffle iron