Cheese Stuffed Burger with Bacon Thousand Island Chopped Salad - Fresh Express

Ingredients

• 2 (9.4-ounce) package Fresh Express® Bacon Thousand Island Chopped Kits®
• 1-1/2 pounds ground beef ((80% lean))
• 1/3 cup onion (finely chopped )
• 2 tablespoons ketchup
• 2 teaspoons Worcestershire sauce
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 cup shredded sharp cheddar cheese ((4 ounces))
• 4 hamburger buns