How to Bake Scalloped Potatoes with Cheesy Goodness: The…

Ingredients

• 2 pounds (900 g) Yukon Gold potatoes, peeled and thinly sliced
• 1 medium onion, thinly sliced (optional)
• 4 tablespoons (57 g) unsalted butter
• 1/4 cup (30 g) all-purpose flour
• 2 cups (480 ml) whole milk
• 1 cup (100 g) shredded sharp cheddar cheese
• 1 cup (100 g) shredded Gruyère cheese
• 1 teaspoon (5 g) garlic powder
• 1/2 teaspoon (2.5 g) salt, or to taste
• 1/4 teaspoon (1 g) black pepper, or to taste
• 1/4 teaspoon (1 g) ground nutmeg (optional)