Korean Kimchi Burgers - Shared Appetite

Ingredients

• 1 1/2 pounds ground chuck (15-20 percent fat content)
• 4 slices cheddar cheese
• 1 bunch scallions
• 2 tablespoons vegetable or olive oil, for brushing
• Kosher salt
• 1/3 cup napa cabbage kimchi, roughly chopped
• 1 avocado, sliced
• Gochujang Aioli (recipe below)
• 4 hamburger buns, split and toasted
• ¼ cup mayonnaise
• ¼ cup sour cream
• 2 tablespoons gochujang
• ½ teaspoon garlic powder