Ingredient:

• 1/3 cup panko bread crumbs
• 1/4 cup finely chopped red onion
• 1 tablespoon chopped fresh cilantro
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 1/2 teaspoon ground cumin
• 1-1/2 pounds ground beef
• 1/2 cup shredded aged cheddar cheese
• AVOCADO SPREAD:
• 1 medium ripe avocado, peeled
• 1-1/2 teaspoons lime juice
• 2 tablespoons sour cream
• 1 garlic clove, minced
• 1/4 teaspoon salt
• 1/8 teaspoon hot pepper sauce
• 6 hamburger buns, split and toasted