INGREDIENTS
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1 lb. ground beef chuck (20 percent fat)
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4 teaspoons softened butter
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4 hamburger buns split
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Coarse salt and ground pepper
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4 slices melting cheese such as American or mild cheddar
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Toppings such as shredded iceberg lettuce, pickle chips, thinly sliced red onion, mustard, ketchup, and mayonnaise