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Ingredients
- ½ cup 2 ounces crumbled blue cheese
- ¼ cup canola mayonnaise
- 2 teaspoons chopped fresh thyme divided
- ¼ teaspoon Tabasco
- 1 pound lean ground sirloin
- 1 tablespoon soy sauce
- 1 tablespoon Worcestershire sauce
- 1 tablespoon steak sauce used: A1
- 2 teaspoons coarse black pepper divided
- ⅛ teaspoon kosher salt
- ½ teaspoon extra-virgin olive oil
- 4 ¼-inch-thick slices Vidalia or other sweet onion
- 1 16 oz pkg sliced baby bella mushrooms, optional
- Cooking spray
- 2 teaspoons sherry vinegar
- 4 1 ½-ounce whole-wheat hamburger buns, toasted
Instructions
- Preheat grill to medium-high heat.
- Combine ½ cup blue cheese, mayonnaise, 1 teaspoon thyme, and Tabasco sauce in a small bowl; stir well and set aside.
- In a medium bowl, combine ground beef, soy sauce, Worcestershire sauce, steak sauce, and 1 teaspoon pepper. Mix well. Divide beef into 4 equal portions, shaping each portion into a ½-inch-thick patty. Sprinkle beef evenly with 1 teaspoon black pepper and salt.
- Brush oil evenly over both sides of onion slices; sprinkle lightly with salt and pepper. Place the patties and onions on grill rack coated with cooking spray; cover and grill for 3 to 4 minutes on each side. Meanwhile, in a grill pan sprayed with cooking spray, quickly saute mushrooms.
- Set patties aside; keep warm. Place onion slices and sauteed mushrooms in a zip-top plastic bag with vinegar and thyme; seal. Let stand 5 minutes.
- Spread cut sides of buns evenly with mayonnaise mixture. Arrange lettuce and tomato on bottom half of each bun; top with 1 patty, ¼ of onion and mushroom mixture, and bun top.
Notes
Adapted from Cooking Light
*Nutrition information is automatically calculated based on ingredient data and should be considered an estimate. When multiple ingredient options are provided, the first listed is used for calculation. Optional ingredients and garnishes are not included in the nutrition analysis.