Cheesy Scalloped Potatoes

Ingredients (6)

• + 6 medium potatoes, peeled and thinly sliced add to pantry
• + 2 teaspoons salt add to pantry
• ✓ 2 tablespoons butter
• ✓ 2 tablespoons all-purpose flour
• ✓ 1 ½ cups milk
• + ¾ cup shredded Swiss cheese add to pantry