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Recipe Courtesy of Every Day with Rachael Ray
Makes 4 burgers
1 1/2 pounds ground sirloin
1 shallot, finely chopped
2 to 3 tablespoons finely chopped fresh parsley
1 tablespoon Worcestershire sauce (eyeball it)
Salt and freshly ground pepper
Extra-virgin olive oil (EVOO), for drizzling
3 tablespoons butter
1/2 pound cremini or white mushrooms, sliced
1/4 cup dry sherry
2 tablespoons Dijon mustard
4 eggy rolls, split and toasted, or 8 thick slices challah bread, toasted
1 small bunch watercress, chopped
1/2 cup chopped cornichons or baby gherkin pickles
1/2 pound truffle mousse pate
In a medium bowl, mix together the meat, shallot, parsley and Worcestershire sauce; season with salt and pepper. Score the meat into 4 equal portions and then form into large patties. Heat a drizzle of EVOO in a large nonstick skillet over medium-high heat. When the pan is screaming hot, add the patties and cook for 4 minutes on each side for medium rare, 6 minutes on each side for medium well.
Meanwhile, place a medium skillet over medium heat. Melt 2 tablespoons butter in a drizzle of EVOO, add the mushrooms and cook until tender, about 6 minutes. Pour in the sherry and let it cook off, about 30 seconds. Season the mushrooms with salt and pepper and remove from the heat.
Stir together the mustard and remaining 1 tablespoon butter. Spread the Dijon butter liberally on the bun bottoms. Top with the watercress, a burger patty, a pile of mushrooms and a few chopped cornichons. Spread the mousse pate on the bun tops and set them into place.
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