Ditch Dogs - Martin's Famous Potato Rolls and Bread

Ingredients

• Coarse salt
• 1 pound elbow pasta
• 2 cups milk
• 2 cups heavy cream
• 3 1/2 tablespoons unsalted butter
• 1/3 cup all-purpose flour
• 1/2 pound white American cheese, cut into 1/2-inch pieces, room temperature
• 1/2 pound Gruyere, grated, room temperature
• 1/3 cup grated Parmesan, room temperature
• 1/8 teaspoon freshly ground pepper
• 8 hot dogs
• 8 Martin's Long Potato Rolls