Summer Chicken Burgers

1 Avocado
1 T Lemon Juice
1 T Butter
1 Lg Vidalia Onion
4 Boneless, skinless Chicken Breasts
salt and pepper to taste
4 Burger Buns
4 T Mayo
4 slices Provolone Cheese

Combine avocado and lemon juice. Add water to cover; set aside.

Preheat outdoor grill.

Saute onion in butter until brown and caramelized. Set aside.

Season chicken with salt and pepper and grill.

Spread buns with Mayo to taste then layer Chicken, onion, provolone and avocado.