Sirloin Burgers With Mushrooms, Swiss, and Balsamic Mayo
(from rosie’s recipe box)
Source: Rachael Ray (from RecipeThing user saymyname)
Serves 4 peopleCategories: beef, not tried, sandwiches
Ingredients
- extra virgin olive oil
- 3 tablespoons finely chopped yellow onions
- 1 1/3 lbs ground sirloin
- 1 tablespoon Worcestershire sauce
- McCormick's Montreal Brand steak seasoning
- 4 crusty rolls, split
- 12 baby portabella mushrooms, thinly sliced
- coarse salt
- fresh ground black pepper
- 4 slices swiss cheese
- 3 tablespoons balsamic vinegar
- 1/2 cup mayonnaise
- 4 leaves romaine lettuce
Directions
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Preheat grill pan or large nonstick skillet (for the burgers) over med-high heat.
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In a small nonstick skillet over medium heat, saute chopped onion in a drizzle of olive oil for 2-3 minutes; set pan aside.
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In a bowl, combine meat, Worcestershire sauce, and steak seasoning; mix in sauteed onion and form into 4 large patties.
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Drizzle patties with a touch of oil.
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Quick toast your split rolls on the hot grill pan and set aside.
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Then add burgers to hot pan; grill 4-5 minutes on each side for medium to medium-well burgers.
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Return small nonstick skillet to stove over med-high heat; add 1 tablespoon olive oil and sliced mushrooms; season with salt and pepper, then saute until just tender, 3-5 minutes; remove from heat.
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Pile mushrooms on top of burgers just before you are ready to take them off the grill.
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Fold each slice of swiss cheese in half and rest on top of mushrooms; place a loose tin foil tent over burgers and turn off heat; let cheese melt down over the mushrooms for 2-3 minutes.
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In a small dish, combine balsamic vinegar, mayo, and lots of coarsely ground black pepper.
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To assemble burgers: place burgers topped with mushrooms and cheese on bun bottom; slather tops of buns with mayo mixture and add romaine.
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Set burger tops in place and serve.