INGREDIENTS
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9 tablespoons salted butter, softened
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1 onion, chopped
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1 tablespoon water
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Salt and pepper
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1 pound 90 percent lean ground beef
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4 hamburger buns, toasted
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½ teaspoon vegetable oil
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4 slices American cheese
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View Nutritional Information i
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Our favorite domestic salted butter is Kate’s Homemade.