Healthy Lettuce Wrapped Burger Recipe

Ingredients

• 1 . 1 lb lean ground beef (90% lean or higher)
• 2 . 1 head of romaine or iceberg lettuce, leaves separated
• 3 . 1 cup shredded carrots
• 4 . 1 cup sliced tomatoes
• 5 . 1/2 cup sliced onions
• 6 . 1/2 cup low-fat cheese (optional)
• 7 . 1/4 cup ketchup (no added sugar)
• 8 . 2 tbsp mustard
• 9 . Salt and pepper to taste
• 10 . Olive oil spray (for cooking)