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Categories:
ground beef olive oil Worcestershire sauce kosher salt black pepper sweet onion cremini mushrooms flour unsalted beef stock Gruyere cheese
Viewed: 28 - Published at: 2 years agoIngredients
- 1 pound 93% lean ground beef
- 2 tablespoons plus 2 1/4 teaspoons olive oil, divided
- 2 teaspoons Worcestershire sauce
- 3/4 teaspoon kosher salt, divided
- 3/4 teaspoon black pepper, divided
- 1/2 cup finely chopped sweet onion
- 8 ounces cremini mushrooms, sliced
- 1 1/2 teaspoons all-purpose flour
- 1/2 cup unsalted beef stock
- 1 ounce Gruyere cheese, shredded (about 1/4 cup)
Method
- Combine beef, 2 1/4 teaspoons oil, Worcestershire, 1/2 teaspoon salt, and 1/2 teaspoon pepper in a bowl; mix with hands. Divide into 4 portions, shaping each into a 4-inch patty.
- Heat a skillet over medium-high heat. Add 1 tablespoon oil to pan. Add patties to pan; cook 3 minutes on each side. Remove patties from pan. Add remaining 1 tablespoon oil to pan; swirl to coat. Add onion and mushrooms to pan; cook 6 minutes or until mushrooms brown. Sprinkle with flour, remaining 1/4 teaspoon salt, and remaining 1/4 teaspoon pepper; cook 2 minutes. Add stock to pan; cook 1 minute or until thickened and slightly reduced, stirring frequently. Return patties to pan, and spoon onion mixture over patties. Sprinkle evenly with cheese. Cover; cook 3 minutes or until cheese melts.
