"A super easy 5-ingredient casserole recipe with tender potato pieces cooked in a savory, buttery onion soup base topped with cheese...."
INGREDIENTS
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1 10-oz can French onion soup
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1 1-oz envelope dry onion soup mix
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1/2 cup (1 stick) butter, melted
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2.5 lbs russet potatoes
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2 cups shredded gruyere cheese
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