Vidalia Topped Caesar Burgers

I got this recipe from a dear friend of mine Miss Nola.

• Ready In: 25 mins
• Serves: 4

Ingredients

• 1  lb lean ground beef
• 2  tablespoons  chopped fresh parsley
• 1⁄2 cup  caesar salad dressing
• 1⁄2 teaspoon  peppered season salt
• 1  small  vidalia onion, cut in 1/2 " slices
• 1 1⁄2 cups  shredded romaine lettuce
• 2  tablespoons  fresh shredded parmesan cheese
• 4  buns, split

Directions

1. Heat coals or gas grill for direct heat. Mix beef, parsley, 2 tbsp dressing and the peppered seasoning salt. Shape into 4 patties 1/2 " thick. Cover and grill 4-6" from medium heat 12-15 minutes, turn once, cook till no longer pink and juices run clear. Add onion slices to grill for at least 8-10 minutes of grilling, brush with 2 tbsp dressing and turn once, cook till crisp-tender. Toss romaine, remaining 1/4 cup dressing and the cheese. Layer romaine, burger and onion on each bun.