Creamy Loaded Scalloped Potatoes - Recipes by Clare

Ingredients

• 3 pounds russet potatoes (8-10 medium), peeled and thinly sliced
• 6 tablespoons unsalted butter
• ½ cup all-purpose flour (62.5g)
• 1 teaspoon kosher salt
• ½ teaspoon black pepper
• 3 cups whole milk, room temperature (735g)
• 1 cup sharp cheddar cheese, shredded (113g), divided
• 1 cup mozzarella cheese, shredded (113g), divided
• 6 slices thick-cut bacon, cooked and crumbled (about ½ cup), divided
• ¼ cup chives, chopped
• Salt and pepper to taste