Thick-cut potato chips with corned beef, tangy Frank’s Kraut drizzled with Thousand Island dressing, and topped with a Swiss cheese sauce make these Reuben Nachos irresistibly addictive.
In a small saucepan, melt the butter over medium heat. Whisk in flour to form a roux. Whisk in milk. After about 2 minutes, stir in the cheese. Continue stirring until the cheese melts.