Caramelized onion and blue cheese burgers

By Cheryl-4

Dig into these fully loaded burgers with caramelized onions and grilled Blue cheese served on a Portabella mushroom caps both beef and onions are a source of sulfur an important element of blood sugar management and hormone regulation beef and mushrooms are also Rich in zinc a mineral that supports thyroid

Ingredients

• 1/4 cup avocado oil divided
• 1 tablespoon organic unsalted butter
• One large sweet onion such as vidallia thinly sliced
• 1 1/8 teaspoon sea salt divided
• 4 portobello mushroom caps gills scraped out
• 1 pound ground beef
• Half teaspoon ground black pepper
• 4 leaves green leaf lettuce
• 1 ounce crumbled blue cheese

Details

Level of difficulty Average
Cost Budget Friendly

Preparation

Step 1

In a large skillet on medium heat 1 tablespoon oil and butter add onion seasoning with 1/8 teaspoon salt and cook 1 to 2 minutes stirring occasionally reduce heat to medium low cook stirring occasionally until onions are soft and deep golden brown 20 to 25 minutes if needed add water a few teaspoons at a time to prevent sticking transfer onions to a plate cover and set aside do not wipe the skillet out

Step 2

Meanwhile preheat oven to 400°F line a large baking sheet with parchment paper brush mushrooms all over with 2 tablespoons oil season with half a teaspoon of salt place mushroom stems side up on baking sheet roast until tender 10 minutes using tongs flip mushrooms discarding any liquid that has accumulated roast 10 to 15 minutes longer until very tender and lightly browned reduce heat to 200°F to keep warm

Step 3

Divide beef into four equal portions press beef into patties about 1/2 inch deck season with pepper and we meaning half teaspoon salt

Step 4

In the same large skillet on medium high heat remaining 1 tablespoon oil cook burgers 3 to 5 minutes per side until browned and cooked to desired doneness

Step 5

Divide mushrooms among plates stand side up top with lettuce a burger patty caramelized onions and blue cheese