"No need for fresh buns or bread with this beefy sandwich. A Bisquick® batter bakes around the beef and cheese filling for a scrumptious hot sandwich...."
INGREDIENTS
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2 cups Original Bisquick® mix
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1 cup milk
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2 tablespoons yellow mustard
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1 egg
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1 package (6 oz) thinly sliced cooked roast beef, chopped
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1 cup shredded Swiss cheese (4 oz)
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Freshly ground pepper, if desired