"A Whataburger Patty Melt is beyond delicious, from the juicy beef to the zesty sauce. Learn to make this popular patty melt recipe at home!..."
INGREDIENTS
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4 tablespoons salted butter (divided)
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1 large yellow onion (sliced)
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20 ounces lean ground beef patties (4 patties, 5 ounces each)
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salt and pepper to taste
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4 slices Texas toast
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4 tablespoons butter (softened)
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4 slices Monterey Jack cheese
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4 slices cheddar cheese
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1/2 cup mayonnaise
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1 tablespoon yellow mustard
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2 tablespoons lemon juice
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1 tablespoon finely chopped chipotle peppers in adobo
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1/2 teaspoon onion powder
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1/2 teaspoon garlic powder
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1/2 teaspoon black pepper
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1 teaspoon granulated sugar