Portabella Cheeseburger w/ Pesto Mayo

1. Clean Portabella Mushrooms and marinate for 15 minutes in a mixture of 2 tbsp Olive Oil, 3 splashes Worcestershire Sauce, 1 tbsp Minced Garlic, Salt, and Pepper.
2. To make the Pesto Mayo, combine 3 tbsp Mayonnaise and 3 tbsp Pesto.
3. Grill your 1/2 lb Burger Patty until desired temperature, seasoning and topping with Provolone Cheese.
4. Grill your Portabella Mushrooms for about 4 minutes a side. Grill Red Onion until softened. Toast your Ciabatta Roll.
5. Assemble the burger: Start with a Toasted Ciabatta Roll, spread Pesto Mayo, add Arugula, a Portabella Mushroom, the 1/2 lb Burger Patty with Provolone Cheese, Grilled Onion, and finish with more Pesto Mayo.
6. Enjoy!