Mozzarella Mushroom Burgers

A great way to jazz up shop bought burgers. Thank you Mostly Homemade Mom

2 tablespoons olive oil
2 pints baby Bella mushrooms, whole 3 cloves garlic, minced 3 green onions, sliced 1/3 cup grated Parmesan cheese 1-2 tablespoons chicken broth 6 frozen burgers 6 hamburger buns 6 slices mozzarella cheese 3/4 cup pesto

• Prepare mushrooms by removing stems and slicing the caps into quarters. 
• Drizzle olive oil in a large skillet and add mushrooms. 
• Saute on medium heat until mushrooms are tender. 
• Add garlic and saute until fragrant, about one minute. 
• Add one tablespoon chicken broth and Parmesan cheese, stir until cheese is melted. 
• Add additional chicken broth as needed. 
• Stir in green onions, remove from heat, and set aside. 
• Grill burgers until desired done-ness. 
• Place one slice mozzarella on each patty during the last minute of cooking to melt. 
• Spread one tablespoon pesto on each bun, top with burger and generous amount of mushrooms. 
• Serve with additional green onions, if desired.