"Sirloin steak burgers topped with melted Swiss cheese, then smothered with sautéed mushrooms and onions. It's so good, you'll be tempted to use a knife and fork!..."
INGREDIENTS
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2 T. finely chopped shallots
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1 clove garlic
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1 (8 oz.) pkg. sliced button mushrooms
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1/2 c. fat-free, low-sodium beef broth
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1 T. low-sodium steak sauce
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1 tsp. cornstarch
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1/2 tsp. freshly ground black pepper
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2 T. ketsup
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1 T. Worcestershire sauce
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1 lb. ground sirloin
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1/4 tsp. salt
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4 slices Swiss cheese
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4 lettuce leaves
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4 tomato slices
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4 Kaiser rolls