Portobello Mushroom Burger

• 4 portobello mushrooms stems removed and gills scraped
• 1/4 cup avocado oil
• 1/4 cup white wine vinegar
• 2 tablespoons lemon juice
• 2 tablespoons soy sauce
• 1 teaspoon kosher salt
• 1 red pepper chopped
• 1 small yellow onion chopped
• 4 rolls
• 1/2 cup shredded mozzarella cheese
• 2 tablespoons butter
• 1/4 cup mayonnaise
• 1/2 cup fresh basil leaves
• 2 cloves garlic
• 1/2 teaspoon salt
• 1/4 cup avocado oil
• 1/4 cup Parmesan

1. Portobello Mushrooms & Marinade: Mix the marinade ingredients together. Oil, vinegar, salt and lemon juice. Set aside.
2. Prepare the mushrooms by removing the stems and scraping the gills out.
3. Place mushrooms in a dish and pour the marinade over them. Let it sit in the marinade at room temperature for 30 minutes.
4. Chop peppers and onion. Saute in 2 Tbs. of butter for 5 minutes.
5. Assemble the marinated mushrooms on a greased baking pan. With mushroom cup side up add onions and peppers. Top with mushrooms.
6. Cook at 425 degrees for 20-22 minutes.
7. Basil Mayonnaise: In a food processor combine basil, garlic and salt. While running add oil through the top and blend until smooth.
8. Take the ingredients from the processor and move to another bowl. Add the mayo & parmesan and stir until combined.
9. Cover and refrigerate. This will keep for around 3 days.
10. Smear the rolls of your choosing with pesto mayo. Add mushroom burger. Enjoy!

portobello mushrooms, avocado oil, white wine vinegar, lemon juice, soy sauce, kosher salt, red pepper, onion, rolls, mozzarella cheese, butter, mayonnaise, fresh basil, garlic, salt, avocado oil, parmesan

Taken from www.yummly.com/recipe/Portobello-Mushroom-Burger-1821783 (may not work)