INGREDIENTS
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1 teaspoon prepared horseradish
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1 teaspoon dry mustard
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1/4 teaspoon salt
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1/4 teaspoon pepper
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1 pound ground beef, moistened
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1/2 onion, finely chopped
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1 egg
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2 teaspoons Worcestershire sauce
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1 cup bread crumbs
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1 cup ketchup