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Ingredients
For the Beef Patties:
- 2 pounds ground beef 85/15
- 1 medium yellow onion grated
- 2/3 cup panko breadcrumbs
- 3 cloves garlic minced
- 2 large eggs
- 1 tablespoon Worcestershire sauce
- 2 teaspoons Dijon mustard
- 2 beef bouillon cubes crushed
- 1 teaspoon black pepper
- 1/2 teaspoon dried thyme
- 2 tablespoons olive oil for cooking
For the Mushroom Gravy:
- 3 tablespoons butter
- 1 medium onion finely diced
- 16 ounces mushrooms sliced
- 3 cloves garlic minced
- 1/4 cup all-purpose flour
- 3 cups beef broth
- 1 tablespoon Worcestershire sauce
- 1 teaspoon Dijon mustard
- Salt and pepper to taste
- Fresh parsley for garnish optional