INGREDIENTS
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1 egg, lightly beaten
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1/2 cup water
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1/4 cup finely chopped onion, leek, shallot, or green onions
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1/4 cup grated Parmesan, Romano, or Asiago cheese (1 ounce)
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2 tablespoons snipped fresh basil or parsley or 1 teaspoon dried basil or parsley, crushed
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2 tablespoons Worcestershire sauce or steak sauce
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1 1/2 teaspoons instant beef bouillon granules
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1 teaspoon garlic powder
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1/2 teaspoon black pepper
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1 pound ground beef*
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1 pound ground pork*
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8 onion buns, hamburger buns, or kaiser rolls, split and toasted
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1 recipe Mustard Sauce
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Lettuce leaves (optional)
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Thin tomato slices (optional)
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Thin red onion slices (optional)
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Dill pickle spears (optional)
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1/3 cupstone-ground mustard
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2 tablespoons beer or apple juice
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1 tablespoon honey
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1/2 teaspoon Worcestershire sauce or steak sauce