Juicy Onion Mushroom Burger On A Butter Grilled Bun

Feb 6, 2020 | Food, Sandwiches

Do you like sweet onions, portobello mushrooms, and hamburger mixed with Worcestershire sauce?  If you do, try my Juicy Onion Mushroom Burger on a soft butter grilled bun!  I made us lunch last week and tried this new recipe on Thomas without telling him.  He was working in his office and when I brought him lunch, I said enjoy and here is your water.  LOL. Before I knew it, he was in the kitchen telling me how good his burger was.  This is a juicy take on a plain burger adding some crunch, salt, and layering with white cheddar, mozzarella, and parmesan cheese!  I made a side salad because…well, you have to incorporate something healthy with something sinful, right?  If you try this recipe, let me know!  I would love to hear how it turns out for you.

Ingredients and Instructions:


1 pound lean ground hamburger meat
1 tablespoon Worcestershire sauce
1/2 teaspoon garlic salt
1/2 teaspoon pepper
1/2 teaspoon dried parsley

Mix together, form into two flat patties, and cook to your liking


1 small sweet onion
1 cup plain bread crumbs (sometimes I used Italian seasoned crumbs)
1 large egg
Pinch of salt
Pinch of pepper
1/2 cup Canola Oil
1/2 teaspoon dried parsley

Mix dry ingredients together, dip cut onions into egg and then bread crumb mixture, and fry in oil until crispy


1 tablespoon Olive Oil
2 tablespoons butter (I used Land O’ Lakes salted butter)
Pinch of salt
Pinch of pepper
1 tablespoon Worcestershire sauce
White cheddar cheese

Melt butter, Olive oil,  and Worcestershire sauce together, add sliced mushrooms, salt and pepper and saute’ until soft.  Add the cheddar cheese over the entire pan and let soften for a few seconds.

I chose to buy large hamburger buns made by the Kroger bakery, sliced and covered both sides in butter, and melted in a pan face down on the stove until the edges were crispy.  I then started my layering by first laying the meat, white cheddar cheese, onions, mozzarella cheese, mushrooms, and then shredded parmesan cheese again.  The heat from the hamburger will help melt the cheese but if you want a more gooey texture, put in the microwave for a few seconds.  Enjoy!!!!


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